public MockResponseWithCustomParse()
        {
            var responseObjectContent =
                "key,value\n" +
                "AL,Alabama\n" +
                "AK,Alaska";

            var header = new Dictionary <string, IEnumerable <string> >
            {
                {
                    "Content-Type",
                    new List <string> {
                        "text/csv"
                    }
                }
            };

            var emptyHeader = new Dictionary <string, IEnumerable <string> >();

            var loadResults = new List <LoadResponse> {
                new LoadResponse(200, 78978078)
            };

            ResponseContext.AddParser("csv", CsvToJson);

            _responseWithCsv = new ResponseContext(HttpStatusCode.OK, responseObjectContent, header,
                                                   _mockElapsedTimespan, loadResults);
        }