public void OilChangeNeededTest()
        {
            Motorcycle testMotorcycle = new Motorcycle("testMake");

            Assert.IsFalse(testMotorcycle.OilChangeNeeded());
            testMotorcycle.AddMilage(5000);
            Assert.IsTrue(testMotorcycle.OilChangeNeeded());
        }
        public void AddMilageTest()
        {
            Motorcycle testMotorcycle = new Motorcycle("testMake");

            Assert.AreEqual(0, testMotorcycle.Miles);
            testMotorcycle.AddMilage(1000);
            Assert.AreEqual(1000, testMotorcycle.Miles);
        }
        public void ChangeOilTest()
        {
            Motorcycle testMotorcycle = new Motorcycle("testMake");

            testMotorcycle.AddMilage(3000);
            testMotorcycle.ChangeOil();
            Assert.AreEqual(4000, testMotorcycle.OilChangeMilage);
        }
        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);
        }