reverted:
--- b/core/modules/config_translation/tests/src/Kernel/Migrate/d6/MigrateI18nTaxonomyVocabularyTest.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-
-namespace Drupal\Tests\config_translation\Kernel\Migrate\d6;
-
-use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
-
-/**
- * Migrate taxonomy vocabularies to taxonomy.vocabulary.*.yml.
- *
- * @group migrate_drupal_6
- */
-class MigrateI18nTaxonomyVocabularyTest extends MigrateDrupal6TestBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  public static $modules = [
-    'config_translation',
-    'locale',
-    'language',
-    'taxonomy',
-  ];
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function setUp() {
-    parent::setUp();
-    $this->executeMigrations([
-      'd6_taxonomy_vocabulary',
-      'd6_i18n_taxonomy_vocabulary',
-    ]);
-  }
-
-  /**
-   * Tests the Drupal 6 i18n taxonomy vocabularies to Drupal 8 migration.
-   */
-  public function testI18nTaxonomyVocabulary() {
-    $language_manager = \Drupal::service('language_manager');
-    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_1_i_0_');
-    $this->assertSame('fr - vocabulary 1 (i=0)', $config->get('name'));
-    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_2_i_1_');
-    $this->assertSame('fr - vocabulary 2 (i=1)', $config->get('name'));
-    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_3_i_2_');
-    $this->assertSame('fr - vocabulary 3 (i=2)', $config->get('name'));
-    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_name_much_longer_than');
-    $this->assertSame('Nom de vocabulaire beaucoup plus long que trente-deux caractères', $config->get('name'));
-    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.tags');
-    $this->assertSame('fr - Tags', $config->get('name'));
-  }
-
-}
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/taxonomy/tests/src/Kernel/Migrate/d6/MigrateI18nTaxonomyVocabularyTest.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Drupal\Tests\taxonomy\Kernel\Migrate\d6;
+
+use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
+
+/**
+ * Migrate taxonomy vocabularies to taxonomy.vocabulary.*.yml.
+ *
+ * @group migrate_drupal_6
+ */
+class MigrateI18nTaxonomyVocabularyTest extends MigrateDrupal6TestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['language', 'taxonomy'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->executeMigrations([
+      'd6_taxonomy_vocabulary',
+      'd6_i18n_taxonomy_vocabulary',
+    ]);
+  }
+
+  /**
+   * Tests the Drupal 6 i18n taxonomy vocabularies to Drupal 8 migration.
+   */
+  public function testI18nTaxonomyVocabulary() {
+    $language_manager = \Drupal::service('language_manager');
+    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_1_i_0_');
+    $this->assertSame('fr - vocabulary 1 (i=0)', $config->get('name'));
+    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_2_i_1_');
+    $this->assertSame('fr - vocabulary 2 (i=1)', $config->get('name'));
+    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_3_i_2_');
+    $this->assertSame('fr - vocabulary 3 (i=2)', $config->get('name'));
+    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.vocabulary_name_much_longer_than');
+    $this->assertSame('Nom de vocabulaire beaucoup plus long que trente-deux caractères', $config->get('name'));
+    $config = $language_manager->getLanguageConfigOverride('fr', 'taxonomy.vocabulary.tags');
+    $this->assertSame('fr - Tags', $config->get('name'));
+  }
+
+}