/**
  * Test the location of users of a group by ID
  */
 public function testFindUsersByGroupId()
 {
     $groupId = 1;
     $return = array(array('username' => 'testuser1', 'email' => '*****@*****.**'), array('username' => 'testuser2', 'email' => '*****@*****.**'), array('username' => 'testuser3', 'email' => '*****@*****.**'));
     $ds = $this->buildMock($return, 'fetch');
     $users = new UserCollection($ds);
     $users->findByGroupId($groupId);
     $this->assertCount(3, $users);
     $this->assertEquals($users->toArray()[1]->username, 'testuser2');
 }