public void AddAppointmentContact_Success() { // Arrange var appointmentContact = new AppointmentContactViewModel { AppointmentID = 1, ContactID = 1 }; // Act var result = controller.AddAppointmentContact(appointmentContact); var response = result as Response <AppointmentContactViewModel>; // Assert Assert.IsTrue(response != null, "Response can't be null"); Assert.IsTrue(response.ResultCode == 0, "Appointment contact could not be created."); }