public void FindCustomerTest()
        {
            CustomerRepository TestRepo = new CustomerRepository();
            Customer ShouldBeBilbo = TestRepo.Find(TestRepo.Retrieve(), 2);

            Assert.IsNotNull(ShouldBeBilbo);
            Assert.AreEqual(2, ShouldBeBilbo.CustomerId);
            Assert.AreEqual(ShouldBeBilbo.FirstName, "Bilbo");
            Assert.AreEqual(ShouldBeBilbo.LastName, "Baggins");
        }