ApiPlatform\Core\Tests\EventListener\RespondListenerTest::testCreate204Response PHP Method

    public function testCreate204Response()
    {
        $kernelProphecy = $this->prophesize(HttpKernelInterface::class);
        $request = new Request([], [], ['_api_respond' => true]);
        $request->setRequestFormat('xml');
        $request->setMethod(Request::METHOD_DELETE);
        $event = new GetResponseForControllerResultEvent($kernelProphecy->reveal(), $request, HttpKernelInterface::MASTER_REQUEST, 'foo');
        $listener = new RespondListener();
        $listener->onKernelView($event);
        $response = $event->getResponse();
        $this->assertEquals('foo', $response->getContent());
        $this->assertEquals(Response::HTTP_NO_CONTENT, $response->getStatusCode());
        $this->assertEquals('text/xml; charset=utf-8', $response->headers->get('Content-Type'));
        $this->assertEquals('Accept', $response->headers->get('Vary'));
        $this->assertEquals('nosniff', $response->headers->get('X-Content-Type-Options'));
        $this->assertEquals('deny', $response->headers->get('X-Frame-Options'));
    }