diff -u b/core/modules/language/src/Tests/Migrate/d6/MigrateDefaultLanguageTest.php b/core/modules/language/src/Tests/Migrate/d6/MigrateDefaultLanguageTest.php
--- b/core/modules/language/src/Tests/Migrate/d6/MigrateDefaultLanguageTest.php
+++ b/core/modules/language/src/Tests/Migrate/d6/MigrateDefaultLanguageTest.php
@@ -26,8 +26,9 @@
    * system.site.default_langcode config key.
    */
   public function testMigration() {
-    // The default language of the test fixture is English. Change it to French before migrating, to be sure that the
-    // source site default language is migrated.
+    // The default language of the test fixture is English. Change it to French
+    // before migrating, to be sure that the source site default language is
+    // migrated.
     $value = 'O:8:"stdClass":11:{s:8:"language";s:2:"fr";s:4:"name";s:6:"French";s:6:"native";s:6:"French";s:9:"direction";s:1:"0";s:7:"enabled";i:1;s:7:"plurals";s:1:"0";s:7:"formula";s:0:"";s:6:"domain";s:0:"";s:6:"prefix";s:0:"";s:6:"weight";s:1:"0";s:10:"javascript";s:0:"";}';
     $this->sourceDatabase->update('variable')
       ->fields(array(