public void CreateCar_CallsService()
        {
            Car carOne = new Car("toyota", "model", "engine", 4, 4, "");
            var result = _controller.CreateCar(carOne);

            _mock.Verify(x => x.CreateVehicle(carOne));
            Assert.NotNull(result);
            Assert.IsType <OkObjectResult>(result);
        }