diff -u b/core/modules/system/lib/Drupal/system/Tests/Block/SystemMenuBlockTest.php b/core/modules/system/lib/Drupal/system/Tests/Block/SystemMenuBlockTest.php
--- b/core/modules/system/lib/Drupal/system/Tests/Block/SystemMenuBlockTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Block/SystemMenuBlockTest.php
@@ -66 +66 @@
-} 
\ No newline at end of file
+}