public void RetrievePayments_ShouldReturnSuccessfullPayment_WhenGivenValidIdentifier()
        {
            var Identifier = new Guid();
            BankPreviousPaymentDetailDTO paymentDetail = new BankPreviousPaymentDetailDTO()
            {
                Amount            = 100,
                Currency          = "Euro",
                CardNumber        = "1234567891234567",
                PaymentStatusCode = 200
            };

            mockPaymentGateService.Setup(x => x.RetrievePreviousPayment(Identifier)).Returns(paymentDetail);
            _paymentGatewayController = new PaymentGatewayController(mockPaymentGateService.Object);
            JsonResult paymentInfo = _paymentGatewayController.RetreivePayments(Identifier);
        }