public async void AddMakeAsync_Returns_Maker()
{
Guid guid = Guid.NewGuid();
var maker = new Mock <IVehicleMake>();
maker.Setup(s => s.Id).Returns(guid);
repoMock.Setup(s => s.AddAsync(It.IsAny <IVehicleMake>())).Returns(Task.FromResult(maker.Object));
uowMock.SetupGet(s => s.Makers).Returns(repoMock.Object);
var makeService = new VehicleMakeService(uowMock.Object);
var make = await makeService.AddMakeAsync(maker.Object);
//Assert
Assert.NotNull(make);
Assert.Equal(guid, make.Id);
}