public void SetUp() { _mockFlightRepository = new Mock<IRepository<Flight>>(); _mockAirportRepository = new Mock<IRepository<Airport>>(); _mockAirportFlightRepository = new Mock<IRepository<AirportFlight>>(); _mockTicketOfficeRepository = new Mock<IRepository<TicketOffice>>(); service = new FlightReservationService(_mockAirportRepository.Object, _mockFlightRepository.Object, _mockAirportFlightRepository.Object, _mockTicketOfficeRepository.Object); }