public void GetAppointmentResource_Success()
{
// Act
var result = controller.GetAppointmentResource(appointmentId).Result;
var response = result as Response <AppointmentResourceViewModel>;
// Assert
Assert.IsTrue(response != null, "Response can't be null");
Assert.IsTrue(response.DataItems != null, "Data items can't be null");
Assert.IsTrue(response.DataItems.Count > 0, "Atleast one appointment resource must exists.");
}