public void ChangeTireTest() { Motorcycle testMotorcycle = new Motorcycle("testMake"); Assert.AreEqual(0, testMotorcycle.Tires[0].Milage); testMotorcycle.AddMilage(1000); Assert.AreEqual(1000, testMotorcycle.Tires[0].Milage); testMotorcycle.ChangeTire(1); Assert.AreEqual(0, testMotorcycle.Tires[0].Milage); testMotorcycle.ChangeTire(2); Assert.AreEqual(0, testMotorcycle.Tires[1].Milage); }