public void TestFraudFilterOverride()
        {
            var echeckVoid = new EcheckVoid {LitleTxnId = 123456789};
            const string regex = ".*<echeckVoid.*<litleTxnId>123456789.*";
            const string value = @"
                <litleOnlineResponse version='8.13' response='0' message='Valid Format' xmlns='http://www.litle.com/schema'>
                    <echeckVoidResponse>
                        <litleTxnId>123</litleTxnId>
                    </echeckVoidResponse>
                </litleOnlineResponse>";

            MockLitlePost(regex, value);
            Litle.EcheckVoid(echeckVoid);
        }
        public LitleOnlineResponseTransactionResponseEcheckVoidResponse EcheckVoid(EcheckVoid v)
        {
            LitleOnlineRequest request = CreateLitleOnlineRequest();
            FillInReportGroup(v);
            request.EcheckVoid = v;

            LitleOnlineResponse response = SendToLitle(request);
            return response.EcheckVoidResponse;
        }