diff -u b/core/tests/Drupal/Tests/Core/Entity/EntityListControllerTest.php b/core/tests/Drupal/Tests/Core/Entity/EntityListControllerTest.php
--- b/core/tests/Drupal/Tests/Core/Entity/EntityListControllerTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/EntityListControllerTest.php
@@ -88,7 +88,7 @@
     );
     $this->moduleHandler->expects($this->once())
       ->method('invokeAll')
-      ->with('entity_operation', $this->role)
+      ->with('entity_operation', array($this->role))
       ->will($this->returnValue($operations));
     $this->moduleHandler->expects($this->once())
       ->method('alter')