/**
* Do login with username
*
* @param string $username
*/
private function doLogin($username = '******')
{
$crawler = $this->client->request('GET', $this->getUrl('fos_user_security_login', array()));
$form = $crawler->selectButton('_submit')->form(array('_username' => $username, '_password' => 'qwerty'));
$this->client->submit($form);
$this->assertTrue($this->client->getResponse()->isRedirect());
$this->client->followRedirects();
}
