Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php

@@ -59,6 +59,18 @@ class ContainerAwareEventDispatcherTest extends AbstractEventDispatcherTest
             ->with($event)
         ;
 
+        $service
+            ->expects($this->once())
+            ->method('onEventWithPriority')
+            ->with($event)
+        ;
+
+        $service
+            ->expects($this->once())
+            ->method('onEventNested')
+            ->with($event)
+        ;
+
         $container = new Container();
         $container->set('service.subscriber', $service);
 
@@ -66,6 +78,8 @@ class ContainerAwareEventDispatcherTest extends AbstractEventDispatcherTest
         $dispatcher->addSubscriberService('service.subscriber', 'Symfony\Component\EventDispatcher\Tests\SubscriberService');
 
         $dispatcher->dispatch('onEvent', $event);
+        $dispatcher->dispatch('onEventWithPriority', $event);
+        $dispatcher->dispatch('onEventNested', $event);
     }
 
     public function testPreventDuplicateListenerService()
@@ -92,6 +106,7 @@ class ContainerAwareEventDispatcherTest extends AbstractEventDispatcherTest
 
     /**
      * @expectedException \InvalidArgumentException
+     * @group legacy
      */
     public function testTriggerAListenerServiceOutOfScope()
     {
@@ -111,6 +126,9 @@ class ContainerAwareEventDispatcherTest extends AbstractEventDispatcherTest
         $dispatcher->dispatch('onEvent');
     }
 
+    /**
+     * @group legacy
+     */
     public function testReEnteringAScope()
     {
         $event = new Event();
@@ -239,11 +257,21 @@ class SubscriberService implements EventSubscriberInterface
     public static function getSubscribedEvents()
     {
         return array(
-            'onEvent' => array('onEvent'),
+            'onEvent' => 'onEvent',
+            'onEventWithPriority' => array('onEventWithPriority', 10),
+            'onEventNested' => array(array('onEventNested')),
         );
     }
 
     public function onEvent(Event $e)
     {
     }
+
+    public function onEventWithPriority(Event $e)
+    {
+    }
+
+    public function onEventNested(Event $e)
+    {
+    }
 }