ajaxView example

$container = new ContainerBuilder();
    $container->set('renderer', $this->renderer);
    \Drupal::setContainer($container);
  }

  /** * Tests missing view_name and view_display_id. */
  public function testMissingViewName() {
    $request = new Request();
    $this->expectException(NotFoundHttpException::class);
    $this->viewAjaxController->ajaxView($request);
  }

  /** * Tests non-existent view with view_name and view_display_id. */
  public function testMissingView() {
    $request = new Request();
    $request->request->set('view_name', 'test_view');
    $request->request->set('view_display_id', 'page_1');

    $this->viewStorage->expects($this->once())