public void TestRefundFundsTransferSuccess()
        {
            var amount = new Amount("EUR", 1000);
            var client = CreateMockTestClientNullRequiredFieldsRequest("Mocks/marketpay/fund/refund-funds-transfer.json");
            var fund   = new Fund(client);
            var refundFundsTransferRequest  = new RefundFundsTransferRequest(originalReference: "reference", amount: amount);
            var refundFundsTransferResponse = fund.RefundFundsTransfer(refundFundsTransferRequest);

            Assert.AreEqual("9915090893984580", refundFundsTransferResponse.PspReference);
            Assert.AreEqual("Received", refundFundsTransferResponse.ResultCode);
        }