public void CreditServiceVoid()
{
Transaction response = service.Charge(19m)
.WithCurrency("USD")
.WithPaymentMethod(card)
.Execute();
Assert.IsNotNull(response);
Assert.AreEqual("00", response.ResponseCode);
Transaction voidResponse = service.Void(response.TransactionId).Execute();
Assert.IsNotNull(voidResponse);
Assert.AreEqual("00", voidResponse.ResponseCode);
}
