public void CallSaveChangesOnUsitData_WhenAirportIsPassed()
{
// Arrange
var mockedData = new Mock <IUsitData>();
var airportService = new AirportService(mockedData.Object);
var mockedAirportRepository = new Mock <IGenericRepository <Airport> >();
mockedData.Setup(d => d.Airports).Returns(mockedAirportRepository.Object);
var airport = new Airport()
{
Id = 2, Name = "Name"
};
// Act
airportService.AddAirport(airport);
// Assert
mockedData.Verify(d => d.SaveChanges(), Times.Once);
}