public void TestCreateActivity()
{
IChatterSoapService service = new ChatterService.ChatterSoapService(_url);
service.Login(_username, _password, _token);
DateTime dt = new DateTime(2011, 7, 6, 10, 11, 12);
service.CreateActivity(_userId, null, "Edited their narrative", "Test Activity from ChatterServiceTest.TestCreateActivity:" + dt, dt);
}