diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationDisableSettingTest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationDisableSettingTest.php
index 4c56eecf08d7f87a10a36beae00d91d4e9f32155..33c45440af5916e8ee77f58e5b1ae0ea28f8a4b9 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationDisableSettingTest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationDisableSettingTest.php
@@ -7,6 +7,8 @@
 /**
  * Test disabling content translation module.
  *
+ * @covers \Drupal\language\Form\ContentLanguageSettingsForm
+ * @covers ::_content_translation_form_language_content_settings_form_alter
  * @group content_translation
  */
 class ContentTranslationDisableSettingTest extends BrowserTestBase {
diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationEnableTest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationEnableTest.php
index 7c3ebcdcb75ce3bcb6845217642cb09397e6683a..2990746f85d9c7d84a67b9cd0a4cfad1f9acfc92 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationEnableTest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationEnableTest.php
@@ -7,6 +7,8 @@
 /**
  * Test enabling content translation module.
  *
+ * @covers \Drupal\language\Form\ContentLanguageSettingsForm
+ * @covers ::_content_translation_form_language_content_settings_form_alter
  * @group content_translation
  */
 class ContentTranslationEnableTest extends BrowserTestBase {
diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
index cb885c0fb37d7afc5d4a5801105ecb7adba57f90..a2d9b85d9ea36eb2d8686f8e4ff9e8fd9e66dffa 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
@@ -15,6 +15,8 @@
 /**
  * Tests the content translation settings UI.
  *
+ * @covers \Drupal\language\Form\ContentLanguageSettingsForm
+ * @covers ::_content_translation_form_language_content_settings_form_alter
  * @group content_translation
  */
 class ContentTranslationSettingsTest extends BrowserTestBase {
diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationUISkipTest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationUISkipTest.php
index 960e0e06a1bc11262cb73d970013b6be26880b30..c579c26525716e2b92e6fdb11e007f6d2530f36a 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationUISkipTest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationUISkipTest.php
@@ -7,6 +7,8 @@
 /**
  * Tests the content translation UI check skip.
  *
+ * @covers \Drupal\language\Form\ContentLanguageSettingsForm
+ * @covers ::_content_translation_form_language_content_settings_form_alter
  * @group content_translation
  */
 class ContentTranslationUISkipTest extends BrowserTestBase {