public void AppointmentPartial_Get_WhenCalled_Returns_Appointment_PartialView() { var appointmentId = "1"; Appointment appointment = new Appointment() { Id = appointmentId }; _mockAppointmentsRepository.Setup(r => r.GetAppointmentById(appointmentId)).Returns(appointment); var result = _controller.AppointmentPartial(appointmentId); result.Should().NotBeNull(); }