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'));
}