public void CallGetAllCountriesOnCountryServiceOnce()
{
// Arrange
var countryService = new Mock <ICountryService>();
var airlineService = new Mock <IAirlineService>();
var flightService = new Mock <IFlightService>();
var mappingService = new Mock <IMappingService>();
var cityService = new Mock <ICityService>();
var airportService = new Mock <IAirportService>();
var jobService = new Mock <IJobService>();
var adminController = new AdminController(countryService.Object, mappingService.Object, cityService.Object, airlineService.Object, airportService.Object, flightService.Object, jobService.Object);
// Act
adminController.AddJob();
// Assert
countryService.Verify(c => c.GetAllCountries(), Times.Once);
}