    public function testXForwarderForHeaderForPassRequests()
    {
        $this->setNextResponse();
        $server = array('REMOTE_ADDR' => '10.0.0.1');
        $this->request('POST', '/', $server);

        $this->assertEquals('10.0.0.1', $this->kernel->getBackendRequest()->headers->get('X-Forwarded-For'));
    }
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.