diff -u b/core/modules/migrate_drupal/tests/src/Unit/MigrationStateUnitTest.php b/core/modules/migrate_drupal/tests/src/Unit/MigrationStateUnitTest.php
--- b/core/modules/migrate_drupal/tests/src/Unit/MigrationStateUnitTest.php
+++ b/core/modules/migrate_drupal/tests/src/Unit/MigrationStateUnitTest.php
@@ -548,7 +548,7 @@
     help: core
     i18ncontent: content_translation
 SYSTEM
-  ,
+        ,
       ],
       'field_plugins' => [],
       'migrations' => [],