public void CreditSwipeReverse() { var response = track.Charge(19m) .WithCurrency("USD") .WithAllowDuplicates(true) .Execute(); Assert.IsNotNull(response); Assert.AreEqual("00", response.ResponseCode); var reverseResponse = track.Reverse(19m) .WithAllowDuplicates(true) .Execute(); Assert.IsNotNull(reverseResponse); Assert.AreEqual("00", reverseResponse.ResponseCode); }