public async Task CreateAsync_ShouldSuccessfullyAddToDatabase()
{
// Arrange
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var flightRepository = new EfDeletableEntityRepository <Flight>(context);
var service = new FlightsService(flightRepository);
var inputModel = new FlightInputModel();
inputModel.FlightNumber = "FlightNumber";
inputModel.AvailableSeats = 20;
inputModel.PricePerPerson = 50;
inputModel.ReservationType = ReservationType.Flight;
inputModel.StartPointId = 1;
inputModel.StartPointAirPort = "StartAirPort";
inputModel.EndPointId = 2;
inputModel.EndPointAirPort = "EndAirPort";
inputModel.DepartureDateTime = new DateTime(2020, 03, 03, 13, 00, 00);
inputModel.FlightTime = new TimeSpan(30, 30, 00);
inputModel.CompanyId = 1;
var expectedResult = 1;
// Act
await service.CreateAsync(inputModel);
var actualResult = flightRepository.All().Count();
// Assert
Assert.True(expectedResult == actualResult);
}