public function it_should_check_if_session_exists(HttpClient $client)
 {
     $id = 2;
     $options = ['$filter' => $this->criteriaToFilter(['Id' => $id]), '$skip' => 0, '$top' => 1];
     $client->get('Sessions/Get', $options)->shouldBeCalled()->willReturn(Helper::contentResponse([Helper::fakeSession()]));
     $this->has($id)->shouldReturn(true);
     $client->get('Sessions/Get', $options)->shouldBeCalled()->willReturn(Helper::emptyArrayResponse());
     $this->has($id)->shouldReturn(false);
 }