/**
  * An added admin group should see those problems as well
  */
 public function testAllPrivateProblemsShowToAddedAdminGroup()
 {
     $author = UserFactory::createUser();
     $problemDataPrivate = ProblemsFactory::createProblem(null, null, 0, $author);
     $addedAdmin = UserFactory::createUser();
     $r = new Request();
     $r['auth_token'] = $this->login($addedAdmin);
     // Should not be contained in problem list.
     $response = ProblemController::apiList($r);
     $this->assertArrayNotContainsInKey($response['results'], 'alias', $problemDataPrivate['request']['alias']);
     $group = GroupsFactory::createGroup($addedAdmin);
     $r2 = new Request();
     $r2['auth_token'] = $this->login($author);
     $r2['problem_alias'] = $problemDataPrivate['request']['alias'];
     $r2['group'] = $group['group']->alias;
     $response = ProblemController::apiAddGroupAdmin($r2);
     $this->assertEquals('ok', $response['status']);
     // Now it should be visible.
     $response = ProblemController::apiList($r);
     $this->assertArrayContainsInKey($response['results'], 'alias', $problemDataPrivate['request']['alias']);
 }