only in patch2:
unchanged:
--- a/core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php
@@ -250,7 +250,8 @@ protected function setupLocalTaskManager() {
       ->will($this->returnValue(new Language(array('id' => 'en'))));
 
     $account = $this->getMock('Drupal\Core\Session\AccountInterface');
-    $this->manager = new LocalTaskManager($this->controllerResolver, $request_stack, $this->routeMatch, $this->routeProvider, $module_handler, $this->cacheBackend, $language_manager, $this->accessManager, $account);
+    $renderer = $this->getMock('Drupal\Core\Render\RendererInterface');
+    $this->manager = new LocalTaskManager($this->controllerResolver, $request_stack, $this->routeMatch, $this->routeProvider, $module_handler, $this->cacheBackend, $language_manager, $this->accessManager, $account, $renderer);
 
     $property = new \ReflectionProperty('Drupal\Core\Menu\LocalTaskManager', 'discovery');
     $property->setAccessible(TRUE);