public void Test2()
        {
            var carsService = new OwnedCarRepository(Ownedcontextmock.Object);
            var x           = carsService.DeleteCar("C001");

            Assert.IsNotNull(x);
        }
        public void Test1()
        {
            var carsService = new OwnedCarRepository(Ownedcontextmock.Object);
            var carslist    = carsService.GetCar("C001");

            Assert.AreEqual(1, carslist.Count());
        }