static void SimulateRemovingPoints(ILoyaltyRedemptionService service) { var invoice = new Invoice { Customer = new Customer { Id = Guid.NewGuid(), Name = "Jacob Watson", DateOfBirth = new DateTime(1977, 4, 15), DriversLicense = "RR009911" }, Vehicle = new Vehicle { Id = Guid.NewGuid(), Make = "Cadillac", Model = "Sedan", Size = Size.Luxury, Vin = "2BDI" }, CostPerDay = 29.95m, Id = Guid.NewGuid() }; service.Redeem(invoice, 3); }