public NewCustomerResultSM CreateCustomer(NewPaymentCustomerSM newCust)
        {
            var request = new CustomerRequest
            {
                Phone = newCust.Phone,
                Id = newCust.CustomerId
            };

            Result<Customer> result = _gateway.Customer.Create(request);

            var ret = new NewCustomerResultSM
            {
                IsSuccess = result.IsSuccess()
            };

            if (ret.IsSuccess)
            {
                ret.NewBraintreeCustomerId = result.Target.Id;
            }

            return ret;
        }
        public void CreateCustomer()
        {
            var sm = new NewPaymentCustomerSM
            {
                CustomerId = _testParentId.ToString(),
                Phone = "512-921-9530",
                LastName = "Smith"
            };
            NewCustomerResultSM ret = _paymentManager.CreateCustomer(sm);
            Assert.IsTrue(ret.IsSuccess);

            Customer result = _paymentManager.FindCustomer(ret.NewBraintreeCustomerId);
            Assert.IsTrue(result != null);
        }