diff -u b/core/modules/migrate/src/Tests/MigrateEventsTest.php b/core/modules/migrate/src/Tests/MigrateEventsTest.php
--- b/core/modules/migrate/src/Tests/MigrateEventsTest.php
+++ b/core/modules/migrate/src/Tests/MigrateEventsTest.php
@@ -25,14 +25,14 @@
    *
    * @var array
    */
-  public static $modules = array('migrate', 'migrate_events_test');
+  public static $modules = ['migrate', 'migrate_events_test'];
 
   /**
    * {@inheritdoc}
    */
   public function setUp() {
     parent::setUp();
-    $this->installConfig(array('migrate', 'migrate_events_test'));
+    $this->installConfig(['migrate', 'migrate_events_test']);
   }
 
   /**
diff -u b/core/modules/migrate/tests/modules/migrate_events_test/src/EventSubscriber.php b/core/modules/migrate/tests/modules/migrate_events_test/src/EventSubscriber.php
--- b/core/modules/migrate/tests/modules/migrate_events_test/src/EventSubscriber.php
+++ b/core/modules/migrate/tests/modules/migrate_events_test/src/EventSubscriber.php
@@ -133,7 +133,7 @@
   /**
    * {@inheritdoc}
    */
-  static function getSubscribedEvents() {
+  public static function getSubscribedEvents() {
     $events[MigrateEvents::MAP_SAVE][] = array('mapSaveEventRecorder');
     $events[MigrateEvents::MAP_DELETE][] = array('mapDeleteEventRecorder');
     $events[MigrateEvents::PRE_IMPORT][] = array('preImportEventRecorder');