public function testSerializationGroups()
 {
     $data = [new TestResource(), new TestResource()];
     $event = $this->getEvent($data);
     $view = new View([]);
     $view->setSerializerGroups(['foo']);
     $event->getRequest()->attributes->set('_template', $view);
     $this->getListener()->onKernelView($event);
     $this->assertEquals(['foo', 'hateoas_list'], $view->getSerializerGroups());
 }