@expectedException \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
public function testAccessDeniedWithWrongSignature() {
$request = Request::create('http://example.com/_fragment', 'GET', array(), array(), array(), array(
'REMOTE_ADDR' => '10.0.0.1',
));
$listener = new FragmentListener(new UriSigner('foo'));
$event = $this
->createGetResponseEvent($request);
$listener
->onKernelRequest($event);
}