diff --git a/core/modules/migrate/tests/src/Unit/MigrateSourceTest.php b/core/modules/migrate/tests/src/Unit/MigrateSourceTest.php
index c478951de6..f5111229c0 100644
--- a/core/modules/migrate/tests/src/Unit/MigrateSourceTest.php
+++ b/core/modules/migrate/tests/src/Unit/MigrateSourceTest.php
@@ -539,10 +539,10 @@ protected function initializeIterator() {
    */
   public function defaultConfiguration() {
     return [
-        'skip_count' => TRUE,
-        'cache_counts' => TRUE,
-        'track_changes' => TRUE,
-      ] + parent::defaultConfiguration();
+      'skip_count' => TRUE,
+      'cache_counts' => TRUE,
+      'track_changes' => TRUE,
+    ] + parent::defaultConfiguration();
   }
 
 }