$client->submit($form, $data);
$this->assertEquals(302, $client->getResponse()->getStatusCode());
$client->followRedirect();
$crawler = $client->request('GET', '/unread/list');
$client->submit($form, $data);
$this->assertEquals(302, $client->getResponse()->getStatusCode());
$client->followRedirect();
$crawler = $client->request('GET', '/unread/list');