public void Should_return_my_car_when_i_use_my_ticket()
{
var boy = new SmartParkingBoy(new List <Lot> {
new Lot(1)
});
const string carId = "川A 123456";
var ticket = new Ticket(boy.Park(new Car(carId)));
var car = boy.Take(ticket);
Assert.Equal(carId, car.Id);
}