diff -u b/core/modules/system/src/Tests/Entity/ConfigEntityImportTest.php b/core/modules/system/src/Tests/Entity/ConfigEntityImportTest.php
--- b/core/modules/system/src/Tests/Entity/ConfigEntityImportTest.php
+++ b/core/modules/system/src/Tests/Entity/ConfigEntityImportTest.php
@@ -138,8 +138,6 @@
     return array_filter($filters, function($filter) {
       $default = \Drupal::service('plugin.manager.filter')->getDefinition($filter['id']);
       if (!$filter['status']) {
-        // Compare the current settings to the default settings. If there are
-        // any customisations save them to configuration.
         $diff = DiffArray::diffAssocRecursive($filter, $default);
         return !empty($diff);
       }