public void TestUsersToGroup()
{
IChatterSoapService service = new ChatterService.ChatterSoapService(_url);
service.Login(_username, _password, _token);
string id = service.CreateGroup("Test API Group 3", "This group was created by unit test", _employeeId);
service.AddUsersToGroup(id, new string[] { "020524930", "027639251" });
}