Neos\Flow\Tests\Unit\Http\ResponseTest::itIsPossibleToSetTheHttpStatusCodeAndMessage PHP Method

    public function itIsPossibleToSetTheHttpStatusCodeAndMessage()
    {
        $response = new Response();
        $response->setStatus(400, 'Really Bad Request');
        $headers = $response->renderHeaders();
        $this->assertEquals('HTTP/1.1 400 Really Bad Request', $headers[0]);
    }