public void AddCustomer()
        {
            var repo     = new CustomerRepository(Context);
            var customer = repo.AddEditCustomer(new Customer
            {
                FirstName = "Joe", LastName = "Doe", DateOfBirth = new DateTime()
            }
                                                );

            Assert.Single(repo.GetAllCustomers());
        }
        public void EditCustomer()
        {
            AddTestCustomers();
            var repo           = new CustomerRepository(Context);
            var editCustomer   = repo.GetAllCustomers().FirstOrDefault(c => c.FirstName == "Joe-4");
            var editCustomerId = editCustomer.Id;
            var now            = DateTime.Now;

            editCustomer.FirstName   = "Joe";
            editCustomer.LastName    = "Doe";
            editCustomer.DateOfBirth = now;
            var customer = repo.AddEditCustomer(editCustomer);

            Assert.Equal(customer, repo.GetCustomer_Id(editCustomerId));
        }