public void UpdateFlight_Valid_OkRequest() { var mock = new Mock <EFFlightRepository>(db);//repos FlightController obj = new FlightController(mock.Object); Flights flight = new Flights { FlightId = 1, AirlineId = 1, FromLocation = "Dehradun", ToLocation = "Dehli", Duration = 45, AvailableSeats = 100, ArrivalTime = "10:00", DepartureTime = "9:15" }; var data = obj.UpdateFlight(1, flight); var res = data as ObjectResult; Assert.IsNotNull(data); }