Issue #3050180 by alexpott, shaal, smaz: Cannot install Umami in Spanish

core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php

@@ -524,6 +524,7 @@ protected function processBannerBlock(array $data, $langcode) {
       'uuid' => $data['uuid'],
       'info' => $data['info'],
       'type' => $data['type'],
+      'langcode' => 'en',
       'field_title' => [
         'value' => $data['field_title'],
       ],
@@ -556,6 +557,7 @@ protected function processDisclaimerBlock(array $data) {
       'uuid' => $data['uuid'],
       'info' => $data['info'],
       'type' => $data['type'],
+      'langcode' => 'en',
       'field_disclaimer' => [
         'value' => $data['field_disclaimer'],
         'format' => 'basic_html',
@@ -585,6 +587,7 @@ protected function processFooterPromoBlock(array $data, $langcode) {
       'uuid' => $data['uuid'],
       'info' => $data['info'],
       'type' => $data['type'],
+      'langcode' => 'en',
       'field_title' => [
         'value' => $data['field_title'],
       ],

core/profiles/demo_umami/tests/src/Functional/UmamiMultilingualInstallTest.php

+<?php
+
+namespace Drupal\Tests\demo_umami\Functional;
+
+use Drupal\FunctionalTests\Installer\InstallerTestBase;
+
+/**
+ * Tests the multilingual installer installing the Umami profile.
+ *
+ * @group Installer
+ */
+class UmamiMultilingualInstallTest extends InstallerTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $profile = 'demo_umami';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $langcode = 'es';
+
+  /**
+   * Ensures that Umami can be installed with Spanish as the default language.
+   */
+  public function testUmami() {
+    $this->drupalGet('');
+    $this->assertSession()->pageTextContains('Quiche mediterráneo profundo');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUpLanguage() {
+    // Place custom local translations in the translations directory to avoid
+    // getting translations from localize.drupal.org.
+    mkdir(DRUPAL_ROOT . '/' . $this->siteDirectory . '/files/translations', 0777, TRUE);
+    file_put_contents(DRUPAL_ROOT . '/' . $this->siteDirectory . '/files/translations/drupal-8.0.0.es.po', $this->getPo('es'));
+
+    parent::setUpLanguage();
+  }
+
+  /**
+   * Returns the string for the test .po file.
+   *
+   * @param string $langcode
+   *   The language code.
+   * @return string
+   *   Contents for the test .po file.
+   */
+  protected function getPo($langcode) {
+    return <<<ENDPO
+msgid ""
+msgstr ""
+
+msgid "Save and continue"
+msgstr "Save and continue $langcode"
+
+msgid "Anonymous"
+msgstr "Anonymous $langcode"
+
+msgid "Language"
+msgstr "Language $langcode"
+
+#: Testing site name configuration during the installer.
+msgid "Drupal"
+msgstr "Drupal"
+ENDPO;
+  }
+
+}