public void TestGetStaffAppointmentsSuccess()
        {
            // Arrange
            AdminController adminController = new AdminController();
            Staff staff = new Staff();
            staff.Appointments = new List<Appointment>();
            staff.Appointments.Add(new Appointment());
            staff.Appointments[0].AppointmentID = 1;
            staff.Appointments[0].PatientID = 1;
            staff.Appointments[0].StaffID = 1;
            staff.Appointments[0].StartDate = new DateTime(2000, 01, 01, 9, 0, 0);
            staff.Appointments[0].EndDate = new DateTime(2000, 01, 01, 9, 15, 0);

            Staff actualStaff = new Staff();

            // Act
            actualStaff.Appointments = adminController.GetStaffAppointments(1);

            // Assert
            CollectionAssert.AreEqual(staff.Appointments, actualStaff.Appointments);
        }