Issue #3021395 by quietone, alexpott: MigrateDrupalTestBase::migrateContent(['translations') does not migrate translations

(cherry picked from commit d6688eb)

Author: Nathaniel Catchpole

modules/block/tests/src/Kernel/Migrate/d7/MigrateBlockContentTranslationTest.php

@@ -21,6 +21,7 @@ class MigrateBlockContentTranslationTest extends MigrateDrupal7TestBase {
     'book',
     'block',
     'comment',
+    'filter',
     'forum',
     'views',
     'block_content',

modules/file/tests/src/Kernel/Migrate/d6/MigrateUploadTest.php

@@ -16,7 +16,13 @@ class MigrateUploadTest extends MigrateDrupal6TestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['language', 'menu_ui'];
+  public static $modules = [
+    'language',
+    'content_translation',
+    'menu_ui',
+    // Required for translation migrations.
+    'migrate_drupal_multilingual',
+  ];
 
   /**
    * {@inheritdoc}

modules/migrate/tests/src/Kernel/MigrateTestBase.php

@@ -180,6 +180,7 @@ protected function executeMigrations(array $ids) {
     array_walk($ids, function ($id) use ($manager) {
       // This is possibly a base plugin ID and we want to run all derivatives.
       $instances = $manager->createInstances($id);
+      $this->assertNotEmpty($instances, sprintf("No migrations created for id '%s'.", $id));
       array_walk($instances, [$this, 'executeMigration']);
     });
   }

modules/migrate_drupal/tests/src/Kernel/d6/MigrateDrupal6TestBase.php

@@ -93,7 +93,7 @@ protected function migrateFields() {
    *   Extra things to include as part of the migrations. Values may be
    *   'revisions' or 'translations'.
    */
-  protected function migrateContent($include = []) {
+  protected function migrateContent(array $include = []) {
     if (in_array('translations', $include)) {
       $this->executeMigrations(['language']);
     }
@@ -104,7 +104,7 @@ protected function migrateContent($include = []) {
     $this->executeMigrations(['d6_node_settings', 'd6_node']);
 
     if (in_array('translations', $include)) {
-      $this->executeMigrations(['translations']);
+      $this->executeMigrations(['d6_node_translation']);
     }
     if (in_array('revisions', $include)) {
       $this->executeMigrations(['d6_node_revision']);