public function its_unlinkFromUserAction_should_unlink_topic_from_user($request, $repository, $user)
{
$topic = new Topic();
$topic->setId(10);
$topic->setTitle('test');
$topic->setParent(null);
$userId = 1;
$parameterBag = new ParameterBag();
$parameterBag->set('links', array(array('object' => $topic)));
$request->attributes = $parameterBag;
$repository->findOneBy(array('id' => $userId))->shouldBeCalled()->willReturn($user);
$this->unlinkFromUserAction($request, $userId)->shouldReturn(null);
}