From eaffcfc5118e4fc220b863469573150ac4725ab0 Mon Sep 17 00:00:00 2001
From: Alex Pott <alex.a.pott@googlemail.com>
Date: Tue, 17 Mar 2015 08:28:57 +0000
Subject: [PATCH] =?UTF-8?q?Issue=20#2451885=20by=20G=C3=A1bor=20Hojtsy:=20?=
 =?UTF-8?q?Config=20entities=20need=20to=20ship=20with=20language=20or=20a?=
 =?UTF-8?q?re=20assumed=20undefined?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Core/Config/Entity/ConfigEntityBase.php   | 11 +++++++++-
 .../install/views.view.test_bulk_form.yml     |  2 +-
 .../test_views/views.view.test_view_block.yml |  2 +-
 .../views.view.test_view_block2.yml           |  2 +-
 ...ws.view.test_block_content_revision_id.yml |  2 +-
 ...est_block_content_revision_revision_id.yml |  2 +-
 .../test_views/views.view.test_field_type.yml |  2 +-
 .../views.view.test_comment_rss.yml           |  2 +-
 .../views.view.test_comment_user_uid.yml      |  2 +-
 .../config/src/Tests/ConfigImporterTest.php   | 22 ++++++++++++++++++-
 .../config_test.dynamic.dotted.english.yml    |  6 +++++
 .../config_test.dynamic.dotted.french.yml     |  5 +++++
 .../config_test_language.info.yml             |  5 +++++
 ...ews.view.test_entity_translations_link.yml |  2 +-
 .../test_views/views.view.test_dblog.yml      |  2 +-
 .../views.view.test_entity_reference_view.yml |  2 +-
 ...ity_test.entity_test.field_test_import.yml |  2 +-
 ...y_test.entity_test.field_test_import_2.yml |  2 +-
 ...y_test.test_bundle.field_test_import_2.yml |  2 +-
 ....storage.entity_test.field_test_import.yml |  2 +-
 ...torage.entity_test.field_test_import_2.yml |  2 +-
 ....entity_test.field_test_import_staging.yml |  2 +-
 ...est_bundle.field_test_import_staging_2.yml |  2 +-
 ...t_bundle_2.field_test_import_staging_2.yml |  2 +-
 ....entity_test.field_test_import_staging.yml |  2 +-
 ...ntity_test.field_test_import_staging_2.yml |  2 +-
 .../views.view.test_view_fieldapi.yml         |  2 +-
 .../src/Unit/FieldConfigEntityUnitTest.php    |  2 +-
 .../views.view.file_extension_view.yml        |  2 +-
 .../views.view.test_file_user_file_data.yml   |  2 +-
 .../views.view.test_image_user_image_data.yml |  2 +-
 .../install/migrate.migration.d6_field.yml    |  2 +-
 .../test_views/views.view.test_field_type.yml |  2 +-
 ...ews.view.test_filter_node_uid_revision.yml |  2 +-
 .../views.view.test_node_bulk_form.yml        |  2 +-
 .../views.view.test_node_revision_nid.yml     |  2 +-
 .../views.view.test_node_revision_vid.yml     |  2 +-
 .../views.view.test_status_extra.yml          |  2 +-
 ...ws.view.test_serializer_display_entity.yml |  2 +-
 ...ews.view.test_serializer_display_field.yml |  2 +-
 ...iew.test_serializer_node_display_field.yml |  2 +-
 ...views.view.test_statistics_integration.yml |  2 +-
 .../views.view.test_groupwise_term.yml        |  2 +-
 ...iews.view.test_taxonomy_node_term_data.yml |  2 +-
 .../views.view.test_access_perm.yml           |  2 +-
 .../views.view.test_access_role.yml           |  2 +-
 .../views.view.test_groupwise_user.yml        |  2 +-
 ...t_plugin_argument_default_current_user.yml |  2 +-
 .../views.view.test_user_bulk_form.yml        |  2 +-
 .../views.view.test_user_changed.yml          |  2 +-
 .../test_views/views.view.test_user_data.yml  |  2 +-
 .../test_views/views.view.test_user_name.yml  |  2 +-
 .../views.view.test_user_relationship.yml     |  2 +-
 .../views.view.test_user_uid_argument.yml     |  2 +-
 ....view.test_view_argument_validate_user.yml |  2 +-
 ...w.test_view_argument_validate_username.yml |  2 +-
 ...ews.view.test_views_handler_field_role.yml |  2 +-
 ...iew.test_views_handler_field_user_name.yml |  2 +-
 .../views.view.entity_test_fields.yml         |  2 +-
 .../test_views/views.view.entity_test_row.yml |  2 +-
 .../views.view.test_access_none.yml           |  2 +-
 .../views.view.test_aggregate_count.yml       |  2 +-
 .../test_views/views.view.test_ajax_view.yml  |  2 +-
 .../test_views/views.view.test_alias.yml      |  2 +-
 .../test_views/views.view.test_area_title.yml |  2 +-
 .../test_views/views.view.test_area_view.yml  |  2 +-
 .../views.view.test_argument_date.yml         |  2 +-
 ...iew.test_argument_default_current_user.yml |  2 +-
 ...views.view.test_argument_default_fixed.yml |  2 +-
 .../views.view.test_attached_disabled.yml     |  2 +-
 .../views.view.test_attachment_ui.yml         |  2 +-
 .../test_views/views.view.test_cache.yml      |  2 +-
 .../test_views/views.view.test_click_sort.yml |  2 +-
 .../test_views/views.view.test_destroy.yml    |  2 +-
 .../views.view.test_disabled_display.yml      |  2 +-
 .../test_views/views.view.test_display.yml    |  2 +-
 .../views.view.test_display_attachment.yml    |  2 +-
 .../views.view.test_display_feed.yml          |  2 +-
 .../views.view.test_display_invalid.yml       |  2 +-
 .../views.view.test_display_more.yml          |  2 +-
 .../test_views/views.view.test_dropbutton.yml |  2 +-
 .../views.view.test_entity_area.yml           |  2 +-
 .../views.view.test_entity_operations.yml     |  2 +-
 .../test_views/views.view.test_entity_row.yml |  2 +-
 .../views.view.test_entity_row_renderers.yml  |  2 +-
 .../views.view.test_entity_type_filter.yml    |  2 +-
 .../views.view.test_example_area.yml          |  2 +-
 .../views.view.test_example_area_access.yml   |  2 +-
 .../views.view.test_exposed_admin_ui.yml      |  2 +-
 .../views.view.test_exposed_block.yml         |  2 +-
 .../views.view.test_exposed_form_buttons.yml  |  2 +-
 .../views.view.test_field_classes.yml         |  2 +-
 .../views.view.test_field_field_test.yml      |  2 +-
 .../views.view.test_field_get_entity.yml      |  2 +-
 .../views.view.test_field_output.yml          |  2 +-
 .../views.view.test_field_tokens.yml          |  2 +-
 .../test_views/views.view.test_filter.yml     |  2 +-
 .../views.view.test_filter_date_between.yml   |  2 +-
 .../views.view.test_filter_group_override.yml |  2 +-
 .../views.view.test_filter_groups.yml         |  2 +-
 .../views.view.test_filter_in_operator_ui.yml |  2 +-
 .../views.view.test_get_attach_displays.yml   |  2 +-
 .../test_views/views.view.test_glossary.yml   |  2 +-
 .../test_views/views.view.test_grid.yml       |  2 +-
 .../views.view.test_group_by_count.yml        |  2 +-
 .../views.view.test_group_by_in_filters.yml   |  2 +-
 .../test_views/views.view.test_group_rows.yml |  2 +-
 .../views.view.test_groupwise_term_ui.yml     |  2 +-
 .../views.view.test_handler_relationships.yml |  2 +-
 .../views.view.test_handler_test_access.yml   |  2 +-
 .../test_views/views.view.test_history.yml    |  2 +-
 .../views.view.test_http_status_code.yml      |  2 +-
 .../test_views/views.view.test_mini_pager.yml |  2 +-
 .../views.view.test_page_display.yml          |  2 +-
 ...views.view.test_page_display_arguments.yml |  2 +-
 .../views.view.test_page_display_menu.yml     |  2 +-
 .../views.view.test_page_display_route.yml    |  2 +-
 .../test_views/views.view.test_page_view.yml  |  2 +-
 .../test_views/views.view.test_pager_full.yml |  2 +-
 .../test_views/views.view.test_pager_none.yml |  2 +-
 .../test_views/views.view.test_pager_some.yml |  2 +-
 .../views.view.test_plugin_dependencies.yml   |  2 +-
 .../test_views/views.view.test_preview.yml    |  2 +-
 .../views.view.test_redirect_view.yml         |  2 +-
 ...iews.view.test_relationship_dependency.yml |  2 +-
 .../views.view.test_simple_argument.yml       |  2 +-
 .../views.view.test_store_pager_settings.yml  |  2 +-
 .../views.view.test_style_mapping.yml         |  2 +-
 .../test_views/views.view.test_style_opml.yml |  2 +-
 .../test_views/views.view.test_table.yml      |  2 +-
 .../test_views/views.view.test_tag_cache.yml  |  2 +-
 .../test_views/views.view.test_tokens.yml     |  2 +-
 .../test_views/views.view.test_view.yml       |  2 +-
 ...ew.test_view_argument_validate_numeric.yml |  2 +-
 .../views.view.test_view_broken.yml           |  2 +-
 .../views.view.test_view_delete.yml           |  2 +-
 .../test_views/views.view.test_view_embed.yml |  2 +-
 .../test_views/views.view.test_view_empty.yml |  2 +-
 .../views.view.test_view_entity_test.yml      |  2 +-
 ...view_entity_test_additional_base_field.yml |  2 +-
 .../views.view.test_view_entity_test_data.yml |  2 +-
 ...ws.view.test_view_entity_test_revision.yml |  2 +-
 .../views.view.test_view_handler_weight.yml   |  2 +-
 ...st_view_pager_full_zero_items_per_page.yml |  2 +-
 .../views.view.test_view_render.yml           |  2 +-
 .../views.view.test_view_status.yml           |  2 +-
 .../views.view.test_view_storage.yml          |  2 +-
 .../views.view.test_views_groupby_save.yml    |  2 +-
 .../views.view.test_access_static.yml         |  2 +-
 .../install/rdf.mapping.comment.comment.yml   |  2 +-
 150 files changed, 192 insertions(+), 147 deletions(-)
 create mode 100644 core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.english.yml
 create mode 100644 core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.french.yml
 create mode 100644 core/modules/config/tests/config_test_language/config_test_language.info.yml

diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
index 68adee1f42b3..90837f9cf7ca 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
@@ -83,9 +83,18 @@ abstract class ConfigEntityBase extends Entity implements ConfigEntityInterface
   /**
    * The language code of the entity's default language.
    *
+   * Assumed to be English by default. ConfigEntityStorage will set an
+   * appropriate language when creating new entities. This default applies to
+   * imported default configuration where the language code is missing. Those
+   * should be assumed to be English. All configuration entities support third
+   * party settings, so even configuration entities that do not directly
+   * store settings involving text in a human language may have such third
+   * party settings attached. This means configuration entities should be in one
+   * of the configured languages or the built-in English.
+   *
    * @var string
    */
-  protected $langcode = LanguageInterface::LANGCODE_NOT_SPECIFIED;
+  protected $langcode = 'en';
 
   /**
    * Third party entity settings.
diff --git a/core/modules/action/tests/action_bulk_test/config/install/views.view.test_bulk_form.yml b/core/modules/action/tests/action_bulk_test/config/install/views.view.test_bulk_form.yml
index 8fa68aa2335b..6727525f3335 100644
--- a/core/modules/action/tests/action_bulk_test/config/install/views.view.test_bulk_form.yml
+++ b/core/modules/action/tests/action_bulk_test/config/install/views.view.test_bulk_form.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block.yml b/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block.yml
index 18d34836ca17..d0e4771c05f7 100644
--- a/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block.yml
+++ b/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_block
diff --git a/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block2.yml b/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block2.yml
index 61171527a0a8..1a790107e554 100644
--- a/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block2.yml
+++ b/core/modules/block/tests/modules/block_test_views/test_views/views.view.test_view_block2.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_id.yml b/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_id.yml
index 4b313f86ca17..f2158b74b34d 100644
--- a/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_id.yml
+++ b/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_id.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_revision_id.yml b/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_revision_id.yml
index d921c59acd37..e812ec2751b1 100644
--- a/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_revision_id.yml
+++ b/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_block_content_revision_revision_id.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_field_type.yml b/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_field_type.yml
index c11426be44b5..64d649f026cd 100644
--- a/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_field_type.yml
+++ b/core/modules/block_content/tests/modules/block_content_test_views/test_views/views.view.test_field_type.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_rss.yml b/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_rss.yml
index a3ca208b9579..146e3f412765 100644
--- a/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_rss.yml
+++ b/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_rss.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_user_uid.yml b/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_user_uid.yml
index 9b0b973cdd5b..2104d706e389 100644
--- a/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_user_uid.yml
+++ b/core/modules/comment/tests/modules/comment_test_views/test_views/views.view.test_comment_user_uid.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/config/src/Tests/ConfigImporterTest.php b/core/modules/config/src/Tests/ConfigImporterTest.php
index 581b5c45ae63..00c5a1f62a18 100644
--- a/core/modules/config/src/Tests/ConfigImporterTest.php
+++ b/core/modules/config/src/Tests/ConfigImporterTest.php
@@ -32,7 +32,7 @@ class ConfigImporterTest extends KernelTestBase {
    *
    * @var array
    */
-  public static $modules = array('config_test', 'system', 'config_import_test');
+  public static $modules = array('config_test', 'system', 'config_import_test', 'config_test_language');
 
   protected function setUp() {
     parent::setUp();
@@ -539,4 +539,24 @@ function testIsInstallable() {
     $this->assertTrue($this->container->get('config.storage')->exists($config_name));
   }
 
+  /**
+   * Tests imported configuration entities with and without language information.
+   */
+  function testLanguage() {
+    // Test imported configuration with implicit language code.
+    $data = $this->container->get('config.storage.installer')->read('config_test.dynamic.dotted.english');
+    $this->assertTrue(!isset($data['langcode']));
+    $this->assertEqual(
+      $this->config('config_test.dynamic.dotted.english')->get('langcode'),
+      'en'
+    );
+
+    // Test imported configuration with explicit language code.
+    $data = $this->container->get('config.storage.installer')->read('config_test.dynamic.dotted.french');
+    $this->assertEqual($data['langcode'], 'fr');
+    $this->assertEqual(
+      $this->config('config_test.dynamic.dotted.french')->get('langcode'),
+      'fr'
+    );
+  }
 }
diff --git a/core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.english.yml b/core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.english.yml
new file mode 100644
index 000000000000..3470aff6dc0f
--- /dev/null
+++ b/core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.english.yml
@@ -0,0 +1,6 @@
+id: dotted.english
+label: Default
+weight: 0
+protected_property: Default
+# Used for testing default language code on imported config entities.
+# langcode: en
diff --git a/core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.french.yml b/core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.french.yml
new file mode 100644
index 000000000000..9c43f67a7769
--- /dev/null
+++ b/core/modules/config/tests/config_test_language/config/install/config_test.dynamic.dotted.french.yml
@@ -0,0 +1,5 @@
+id: dotted.french
+label: Default
+weight: 0
+protected_property: Default
+langcode: fr
diff --git a/core/modules/config/tests/config_test_language/config_test_language.info.yml b/core/modules/config/tests/config_test_language/config_test_language.info.yml
new file mode 100644
index 000000000000..28d720b67fdf
--- /dev/null
+++ b/core/modules/config/tests/config_test_language/config_test_language.info.yml
@@ -0,0 +1,5 @@
+name: 'Configuration test languages'
+type: module
+package: Testing
+version: VERSION
+core: 8.x
diff --git a/core/modules/content_translation/tests/modules/content_translation_test_views/test_views/views.view.test_entity_translations_link.yml b/core/modules/content_translation/tests/modules/content_translation_test_views/test_views/views.view.test_entity_translations_link.yml
index 143d1f0c5766..1767c67446be 100644
--- a/core/modules/content_translation/tests/modules/content_translation_test_views/test_views/views.view.test_entity_translations_link.yml
+++ b/core/modules/content_translation/tests/modules/content_translation_test_views/test_views/views.view.test_entity_translations_link.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/dblog/tests/modules/dblog_test_views/test_views/views.view.test_dblog.yml b/core/modules/dblog/tests/modules/dblog_test_views/test_views/views.view.test_dblog.yml
index 0a9e3567d98a..06dd35f5215e 100644
--- a/core/modules/dblog/tests/modules/dblog_test_views/test_views/views.view.test_dblog.yml
+++ b/core/modules/dblog/tests/modules/dblog_test_views/test_views/views.view.test_dblog.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/entity_reference/tests/modules/entity_reference_test_views/test_views/views.view.test_entity_reference_view.yml b/core/modules/entity_reference/tests/modules/entity_reference_test_views/test_views/views.view.test_entity_reference_view.yml
index 9452bcb8e283..c60ede7de0ab 100644
--- a/core/modules/entity_reference/tests/modules/entity_reference_test_views/test_views/views.view.test_entity_reference_view.yml
+++ b/core/modules/entity_reference/tests/modules/entity_reference_test_views/test_views/views.view.test_entity_reference_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_entity_reference_view
diff --git a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import.yml b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import.yml
index bce6cf7ac2ab..0cfd11a2c4e8 100644
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import.yml
@@ -1,5 +1,5 @@
 id: entity_test.entity_test.field_test_import
-langcode: und
+langcode: en
 field_name: field_test_import
 entity_type: entity_test
 bundle: entity_test
diff --git a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import_2.yml b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import_2.yml
index f52930fb762f..f73354f549ef 100644
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import_2.yml
@@ -1,5 +1,5 @@
 id: entity_test.entity_test.field_test_import_2
-langcode: und
+langcode: en
 field_name: field_test_import_2
 entity_type: entity_test
 bundle: entity_test
diff --git a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.test_bundle.field_test_import_2.yml b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.test_bundle.field_test_import_2.yml
index e95266a252c9..75c856fa01e8 100644
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.test_bundle.field_test_import_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.test_bundle.field_test_import_2.yml
@@ -1,5 +1,5 @@
 id: entity_test.test_bundle.field_test_import_2
-langcode: und
+langcode: en
 field_name: field_test_import_2
 entity_type: entity_test
 bundle: test_bundle
diff --git a/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import.yml b/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import.yml
index 01e9b2a94321..8ef21e10f563 100644
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import.yml
@@ -1,5 +1,5 @@
 id: entity_test.field_test_import
-langcode: und
+langcode: en
 field_name: field_test_import
 entity_type: entity_test
 type: text
diff --git a/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import_2.yml b/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import_2.yml
index 7ba86591b7a0..5064349fa9a4 100644
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.storage.entity_test.field_test_import_2.yml
@@ -1,5 +1,5 @@
 id: entity_test.field_test_import_2
-langcode: und
+langcode: en
 field_name: field_test_import_2
 entity_type: entity_test
 type: text
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml
index 30768c0e2c54..0bf637cb1fdc 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml
@@ -1,6 +1,6 @@
 id: entity_test.entity_test.field_test_import_staging
 uuid: ea711065-6940-47cd-813d-618f64095481
-langcode: und
+langcode: en
 field_name: field_test_import_staging
 entity_type: entity_test
 bundle: entity_test
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml
index 447205d6746b..1e77c84a190d 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml
@@ -1,6 +1,6 @@
 id: entity_test.test_bundle.field_test_import_staging_2
 uuid: f07794a2-d7cc-45b6-b40d-13cf021b5552
-langcode: und
+langcode: en
 field_name: field_test_import_staging_2
 entity_type: entity_test
 bundle: test_bundle
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml
index 282fc835a08d..de66085aa0b3 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml
@@ -1,6 +1,6 @@
 id: entity_test.test_bundle_2.field_test_import_staging_2
 uuid: 49d6dd19-5097-443d-8f00-fc79525bebce
-langcode: und
+langcode: en
 field_name: field_test_import_staging_2
 entity_type: entity_test
 bundle: test_bundle_2
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml
index 4477f26f10e8..5c67c7bd0ce0 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml
@@ -1,6 +1,6 @@
 id: entity_test.field_test_import_staging
 uuid: 0bf654cc-f14a-4881-b94c-76959e47466b
-langcode: und
+langcode: en
 field_name: field_test_import_staging
 entity_type: entity_test
 type: text
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml
index 5460ecce9330..6113d7ebd6bc 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml
@@ -1,6 +1,6 @@
 id: entity_test.field_test_import_staging_2
 uuid: 2165d9aa-9a0c-41a1-be02-2a49f3405c00
-langcode: und
+langcode: en
 field_name: field_test_import_staging_2
 entity_type: entity_test
 type: text
diff --git a/core/modules/field/tests/modules/field_test_views/test_views/views.view.test_view_fieldapi.yml b/core/modules/field/tests/modules/field_test_views/test_views/views.view.test_view_fieldapi.yml
index 2be12755c2a0..e5098e3430df 100644
--- a/core/modules/field/tests/modules/field_test_views/test_views/views.view.test_view_fieldapi.yml
+++ b/core/modules/field/tests/modules/field_test_views/test_views/views.view.test_view_fieldapi.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/field/tests/src/Unit/FieldConfigEntityUnitTest.php b/core/modules/field/tests/src/Unit/FieldConfigEntityUnitTest.php
index 992f698c9164..690411047913 100644
--- a/core/modules/field/tests/src/Unit/FieldConfigEntityUnitTest.php
+++ b/core/modules/field/tests/src/Unit/FieldConfigEntityUnitTest.php
@@ -243,7 +243,7 @@ public function testToArray() {
       'id' => 'test_entity_type.test_bundle.field_test',
       'uuid' => NULL,
       'status' => TRUE,
-      'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
+      'langcode' => 'en',
       'field_name' => 'field_test',
       'entity_type' => 'test_entity_type',
       'bundle' => 'test_bundle',
diff --git a/core/modules/file/tests/modules/file_test_views/test_views/views.view.file_extension_view.yml b/core/modules/file/tests/modules/file_test_views/test_views/views.view.file_extension_view.yml
index 6f07b0c09b5a..a8351f71bcdb 100644
--- a/core/modules/file/tests/modules/file_test_views/test_views/views.view.file_extension_view.yml
+++ b/core/modules/file/tests/modules/file_test_views/test_views/views.view.file_extension_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: file_extension_view
diff --git a/core/modules/file/tests/modules/file_test_views/test_views/views.view.test_file_user_file_data.yml b/core/modules/file/tests/modules/file_test_views/test_views/views.view.test_file_user_file_data.yml
index 07f3e228684f..440408521991 100644
--- a/core/modules/file/tests/modules/file_test_views/test_views/views.view.test_file_user_file_data.yml
+++ b/core/modules/file/tests/modules/file_test_views/test_views/views.view.test_file_user_file_data.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/image/tests/modules/image_test_views/test_views/views.view.test_image_user_image_data.yml b/core/modules/image/tests/modules/image_test_views/test_views/views.view.test_image_user_image_data.yml
index 5a504cba0a15..3c02a8becd38 100644
--- a/core/modules/image/tests/modules/image_test_views/test_views/views.view.test_image_user_image_data.yml
+++ b/core/modules/image/tests/modules/image_test_views/test_views/views.view.test_image_user_image_data.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_field.yml b/core/modules/migrate_drupal/config/install/migrate.migration.d6_field.yml
index 72ae39bde19e..591e3d03dc5a 100644
--- a/core/modules/migrate_drupal/config/install/migrate.migration.d6_field.yml
+++ b/core/modules/migrate_drupal/config/install/migrate.migration.d6_field.yml
@@ -6,7 +6,7 @@ source:
   plugin: d6_field
   constants:
     entity_type: node
-    langcode: und
+    langcode: en
 process:
   entity_type: 'constants/entity_type'
   status: active
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_field_type.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_field_type.yml
index d77946405b5d..f8aba1a72d2e 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_field_type.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_field_type.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_filter_node_uid_revision.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_filter_node_uid_revision.yml
index cf6975b35846..2bcce2fbbfb3 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_filter_node_uid_revision.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_filter_node_uid_revision.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_bulk_form.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_bulk_form.yml
index f0be1f8278c3..e26e8d3259bd 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_bulk_form.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_bulk_form.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_nid.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_nid.yml
index 2a3a434578ee..7c2e7fea758e 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_nid.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_nid.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_vid.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_vid.yml
index beabed72bf03..a2783a56d742 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_vid.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_node_revision_vid.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_status_extra.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_status_extra.yml
index 96f54939a242..b690589b0e9a 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_status_extra.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_status_extra.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_entity.yml b/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_entity.yml
index 26facb78b916..eef38d3c88a0 100644
--- a/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_entity.yml
+++ b/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_entity.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_field.yml b/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_field.yml
index 04b0d754d11c..49673d561723 100644
--- a/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_field.yml
+++ b/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_display_field.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_node_display_field.yml b/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_node_display_field.yml
index e1687119e8f6..70328753de6f 100644
--- a/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_node_display_field.yml
+++ b/core/modules/rest/tests/modules/rest_test_views/test_views/views.view.test_serializer_node_display_field.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   config:
diff --git a/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml b/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml
index e8099fac6295..0b0e227f0e93 100644
--- a/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml
+++ b/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_groupwise_term.yml b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_groupwise_term.yml
index d1a732a9ae46..c5ba611dfdf4 100644
--- a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_groupwise_term.yml
+++ b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_groupwise_term.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_node_term_data.yml b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_node_term_data.yml
index 848f83ed999e..0623f98c67dd 100644
--- a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_node_term_data.yml
+++ b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_node_term_data.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_perm.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_perm.yml
index e66b30ec263b..a5c11e8e928c 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_perm.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_perm.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_role.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_role.yml
index 5aa61782032a..f089b5eccd8b 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_role.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_access_role.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_groupwise_user.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_groupwise_user.yml
index 9b7c030a5959..33d89fc2f7f9 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_groupwise_user.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_groupwise_user.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_plugin_argument_default_current_user.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_plugin_argument_default_current_user.yml
index 951acb8805fd..4c8c708783f4 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_plugin_argument_default_current_user.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_plugin_argument_default_current_user.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_bulk_form.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_bulk_form.yml
index db53601a7068..0d96fa25a637 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_bulk_form.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_bulk_form.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_changed.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_changed.yml
index 9ad34a3f8ef2..d929079ab9d5 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_changed.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_changed.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_data.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_data.yml
index eaf72e104a5f..30842f5da3d5 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_data.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_data.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_name.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_name.yml
index 36a073eb68b9..33706cd223a6 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_name.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_name.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_relationship.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_relationship.yml
index f022dd027483..b6b295391887 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_relationship.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_relationship.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_uid_argument.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_uid_argument.yml
index 55512802a459..fefcc42d3b9a 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_uid_argument.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_uid_argument.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_user.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_user.yml
index ed2922c7c8e3..fe9b4f583114 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_user.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_user.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_argument_validate_user
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_username.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_username.yml
index a8f3718c242f..b3b962f96cec 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_username.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_view_argument_validate_username.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_argument_validate_username
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_role.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_role.yml
index fa31be52aa3e..4d020e70b7f2 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_role.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_role.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_user_name.yml b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_user_name.yml
index 4fd758c56e9f..813655076a31 100644
--- a/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_user_name.yml
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_views_handler_field_user_name.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_fields.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_fields.yml
index 8966bb80c458..0f589a19bbcf 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_fields.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_fields.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: entity_test_fields
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_row.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_row.yml
index 2384fe054766..4bd05034b6d4 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_row.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.entity_test_row.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: entity_test_row
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_access_none.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_access_none.yml
index 292175c0a80d..6b267be5e68e 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_access_none.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_access_none.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_access_none
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_aggregate_count.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_aggregate_count.yml
index 1f922bf86c16..1116bcb94df6 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_aggregate_count.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_aggregate_count.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_aggregate_count
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ajax_view.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ajax_view.yml
index 5701f3499281..d2d4d4304562 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ajax_view.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ajax_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_ajax_view
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_alias.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_alias.yml
index 9984358ae05b..174ed8d90d19 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_alias.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_alias.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_title.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_title.yml
index 215e04215acd..a963e979edef 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_title.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_title.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_area_title
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_view.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_view.yml
index 081e4b038790..407228b66aba 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_view.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_area_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_area_view
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_date.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_date.yml
index 707454ba75fc..1e4db708ccf0 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_date.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_date.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_argument_date
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_current_user.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_current_user.yml
index cd29ed31113a..cd481fa012e3 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_current_user.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_current_user.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_fixed.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_fixed.yml
index eb32000bf23b..4b4f296a7846 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_fixed.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_argument_default_fixed.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attached_disabled.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attached_disabled.yml
index ecc3ef0a06ae..d07216f8ab90 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attached_disabled.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attached_disabled.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   config:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attachment_ui.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attachment_ui.yml
index d3667393f675..89089c2cf026 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attachment_ui.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_attachment_ui.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_cache.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_cache.yml
index 6dd5fc522f93..2ff29fd59ba9 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_cache.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_cache.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_cache
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_click_sort.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_click_sort.yml
index 680e51e49d5e..82d10ad2b192 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_click_sort.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_click_sort.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_click_sort
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_destroy.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_destroy.yml
index 7d0af80a7770..47bd9592e129 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_destroy.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_destroy.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_disabled_display.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_disabled_display.yml
index f2c18aa1524b..c0c45c3d13e0 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_disabled_display.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_disabled_display.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   config:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display.yml
index 082e7871bbbb..7b8490a5ecbb 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: false
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_attachment.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_attachment.yml
index 7822bc3dedd0..715158c3c44a 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_attachment.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_attachment.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_display_attachment
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_feed.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_feed.yml
index 0bba63cd0087..67537ecc5c6b 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_feed.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_feed.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_invalid.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_invalid.yml
index 88bcf38a4852..f7b1499dd189 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_invalid.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_invalid.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_more.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_more.yml
index 674daca51748..aaf08bb103b6 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_more.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_display_more.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_display_more
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_dropbutton.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_dropbutton.yml
index 0d4a07627062..3e5fcea0627b 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_dropbutton.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_dropbutton.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_area.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_area.yml
index 74e7c5914192..de5b61515737 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_area.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_area.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   content:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_operations.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_operations.yml
index d8436d37a843..ee58e8bcaf27 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_operations.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_operations.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row.yml
index 0c1a69b47abf..ad9f748197ea 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_entity_row
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row_renderers.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row_renderers.yml
index d9e80d7c44a0..4a8fef60c6db 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row_renderers.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_row_renderers.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   config:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_type_filter.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_type_filter.yml
index fd1764c55594..6cfb96afdcce 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_type_filter.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_entity_type_filter.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area.yml
index 7f3acd93ab21..b90c15357567 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_example_area
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area_access.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area_access.yml
index 5aab81c17bf6..2ec7214f6812 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area_access.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_example_area_access.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_example_area_access
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_admin_ui.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_admin_ui.yml
index a8d0c7a27018..32b06924e273 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_admin_ui.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_admin_ui.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_block.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_block.yml
index 1cc9f44deb95..3818532beea3 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_block.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_block.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_form_buttons.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_form_buttons.yml
index f0e110fd39c8..bed02ca1f113 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_form_buttons.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_exposed_form_buttons.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_classes.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_classes.yml
index d834164c66a0..2480aa3c4c8f 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_classes.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_classes.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_field_classes
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_field_test.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_field_test.yml
index c0005ca5162e..aa3783666d8c 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_field_test.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_field_test.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_field_field_test
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_get_entity.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_get_entity.yml
index 99f38cf8042e..7e20ee7e6e00 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_get_entity.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_get_entity.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_output.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_output.yml
index 6eabc025f64b..c3d2bc14d1cf 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_output.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_output.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_field_output
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_tokens.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_tokens.yml
index b08aa62f9ea5..718b27c443df 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_tokens.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_field_tokens.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_field_tokens
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter.yml
index 61da33a3f3f9..86313c10a9c1 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_date_between.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_date_between.yml
index f5f1c1e05c53..16afa714e4c3 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_date_between.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_date_between.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_group_override.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_group_override.yml
index 0c1fba73d410..85c4de2ab747 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_group_override.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_group_override.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_groups.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_groups.yml
index 53d216cd1578..4d57f77d11c6 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_groups.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_groups.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_in_operator_ui.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_in_operator_ui.yml
index cf0d1b031f75..66520dcd4d07 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_in_operator_ui.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_filter_in_operator_ui.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_filter_in_operator_ui
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_get_attach_displays.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_get_attach_displays.yml
index 765af4a94a7f..6116e77e8ba1 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_get_attach_displays.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_get_attach_displays.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_glossary.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_glossary.yml
index 72a99e21f1c5..1e8af9874eae 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_glossary.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_glossary.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_grid.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_grid.yml
index d48597fdb7f7..0d02bc080ae8 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_grid.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_grid.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_grid
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_count.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_count.yml
index ff5a1d85defb..4d4dd56af176 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_count.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_count.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_group_by_count
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_in_filters.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_in_filters.yml
index 4aa2248b1e04..173a0e8d5cc3 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_in_filters.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_by_in_filters.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_group_by_in_filters
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_rows.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_rows.yml
index 897f20d3c4db..5244677c113b 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_rows.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_group_rows.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_groupwise_term_ui.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_groupwise_term_ui.yml
index 55747a72ad61..4dcb99b23abb 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_groupwise_term_ui.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_groupwise_term_ui.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_relationships.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_relationships.yml
index 21917b815682..1c4c7ac6a8ae 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_relationships.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_relationships.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_test_access.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_test_access.yml
index 9afaf2af9a48..edd69b0731eb 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_test_access.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_handler_test_access.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_handler_test_access
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_history.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_history.yml
index 46e536c39592..92962d7630c4 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_history.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_history.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_http_status_code.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_http_status_code.yml
index 053ab75ce1d2..83192b80652f 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_http_status_code.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_http_status_code.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_mini_pager.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_mini_pager.yml
index fcf2f1cd9f8b..843b492de32d 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_mini_pager.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_mini_pager.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display.yml
index af65cc4c1a88..11c7b3715d68 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_page_display
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_arguments.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_arguments.yml
index 081b74623eef..62c008d2dcde 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_arguments.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_arguments.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_page_display_arguments
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_menu.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_menu.yml
index b6722037cb3f..814ad4ef534d 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_menu.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_menu.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_page_display_menu
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_route.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_route.yml
index bd034bbfd7af..fd1ca941ea39 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_route.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_display_route.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_view.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_view.yml
index 0d2be99b7519..6b8ad9f6e3da 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_view.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_page_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_page_view
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_full.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_full.yml
index c84842a4b82d..01fe10079c02 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_full.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_full.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_none.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_none.yml
index 6a4a388fd2de..7b11e9eae501 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_none.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_none.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_some.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_some.yml
index c95172ee79a8..156e7dd8fe31 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_some.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_pager_some.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_plugin_dependencies.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_plugin_dependencies.yml
index b969ad5b138e..86f4189305bd 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_plugin_dependencies.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_plugin_dependencies.yml
@@ -1,4 +1,4 @@
-langcode: und
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 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_preview.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_preview.yml
index a1629b43c73f..9461d01990c9 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_preview.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_preview.yml
@@ -1,4 +1,4 @@
-langcode: und
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 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_redirect_view.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_redirect_view.yml
index 500dba1699ee..b3c5c7031976 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_redirect_view.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_redirect_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_relationship_dependency.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_relationship_dependency.yml
index 97e217ea4982..dbbbf16c7ed0 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_relationship_dependency.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_relationship_dependency.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_simple_argument.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_simple_argument.yml
index 2689298cee34..8badd47971a9 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_simple_argument.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_simple_argument.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_simple_argument
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_store_pager_settings.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_store_pager_settings.yml
index 7dda22d5efb1..bae576832cf3 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_store_pager_settings.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_store_pager_settings.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_mapping.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_mapping.yml
index 12aac8d8153a..5b528a72f1cf 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_mapping.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_mapping.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_opml.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_opml.yml
index b1df98a521cc..e60136596b03 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_opml.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_style_opml.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
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diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_table.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_table.yml
index 7460f10d37f9..698e072e3f6d 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_table.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_table.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_table
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tag_cache.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tag_cache.yml
index 173547fccca0..dc893efdd035 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tag_cache.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tag_cache.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tokens.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tokens.yml
index 44e4c4866ddc..bf9341b9cbdb 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tokens.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_tokens.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_tokens
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view.yml
index 2861c7a9d6b3..f54e92ba20db 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_argument_validate_numeric.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_argument_validate_numeric.yml
index 6465003b76ae..865bca94a671 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_argument_validate_numeric.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_argument_validate_numeric.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_argument_validate_numeric
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_broken.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_broken.yml
index a7fe7c979e8c..0b6de0218254 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_broken.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_broken.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_broken
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_delete.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_delete.yml
index 2f8c5ad7dceb..4ee2b756f51e 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_delete.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_delete.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_delete
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_embed.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_embed.yml
index 9b0b319a3bdc..48e2c7bd9b16 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_embed.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_embed.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_embed
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_empty.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_empty.yml
index 51ddaa1340c5..951bfd2876d4 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_empty.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_empty.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_empty
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test.yml
index b9dcdfc1bd05..ab61fbc241a6 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_entity_test
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_additional_base_field.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_additional_base_field.yml
index 8c04154447bb..c3921a150083 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_additional_base_field.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_additional_base_field.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_entity_test_additional_base_field
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_data.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_data.yml
index 998bafebd61f..6ccd8beb0194 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_data.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_data.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_entity_test_data
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_revision.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_revision.yml
index 23de1360be72..ec4649fdadf5 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_revision.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_entity_test_revision.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_entity_test_revision
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_handler_weight.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_handler_weight.yml
index f656bdd56f26..753510ae85f8 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_handler_weight.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_handler_weight.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_handler_weight
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_pager_full_zero_items_per_page.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_pager_full_zero_items_per_page.yml
index 154d61566be1..a5be54731716 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_pager_full_zero_items_per_page.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_pager_full_zero_items_per_page.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_render.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_render.yml
index 3e1aa093aa16..89080d6ff8f1 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_render.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_render.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_view_render
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_status.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_status.yml
index 312c2c4ffe10..83300e6b2fc0 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_status.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_status.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: false
 dependencies: {  }
 id: test_view_status
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_storage.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_storage.yml
index 8d39cd300c16..e59b69f65534 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_storage.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_view_storage.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: false
 dependencies: {  }
 id: test_view_storage
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_views_groupby_save.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_views_groupby_save.yml
index 10c979ade4c2..11533bd2e916 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_views_groupby_save.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_views_groupby_save.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies: {  }
 id: test_views_groupby_save
diff --git a/core/modules/views/tests/modules/views_test_data/test_views/views.view.test_access_static.yml b/core/modules/views/tests/modules/views_test_data/test_views/views.view.test_access_static.yml
index dc692030225d..b79f068cbfb2 100644
--- a/core/modules/views/tests/modules/views_test_data/test_views/views.view.test_access_static.yml
+++ b/core/modules/views/tests/modules/views_test_data/test_views/views.view.test_access_static.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   module:
diff --git a/core/profiles/standard/config/install/rdf.mapping.comment.comment.yml b/core/profiles/standard/config/install/rdf.mapping.comment.comment.yml
index 7eedd975f658..f0d587a6677f 100644
--- a/core/profiles/standard/config/install/rdf.mapping.comment.comment.yml
+++ b/core/profiles/standard/config/install/rdf.mapping.comment.comment.yml
@@ -1,4 +1,4 @@
-langcode: und
+langcode: en
 status: true
 dependencies:
   config:
-- 
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