public void Find_No_Available_Appointments() { RegularAppointmentService service = new RegularAppointmentService(CreateAppointmentStubRepository(), CreateScheduleStubRepository(), new DoctorService(CreateOperationStubRepository(), CreateAppointmentStubRepository(), CreateScheduleStubRepository(), CreateDoctorStubRepository()), CreatePatientStubRepository(), new OperationService(CreateOperationStubRepository())); List <DoctorAppointment> appointments = service.GetAllAvailableAppointmentsForDate("02/02/2020", 1, 2); appointments.ShouldBeEmpty(); }