public void giftCard_return()
{
Transaction response = giftCard.Refund(10m)
.WithCurrency("USD")
.Execute();
Assert.IsNotNull(response);
System.Diagnostics.Debug.WriteLine(response.HostResponseDate);
System.Diagnostics.Debug.WriteLine(response.SystemTraceAuditNumber);
Assert.AreEqual("000", response.ResponseCode);
}