/// <summary>
        /// Initialize the Xml Documents
        /// </summary>
        static NotificationHistoryTests()
        {
            using (Stream s = Assembly.GetExecutingAssembly()
                              .GetManifestResourceStream(
                       "GCheckout.Checkout.Tests.Xml.NotificationHistoryResponse1.xml")) {
                StreamReader sr = new StreamReader(s);
                _response_regular_string = sr.ReadToEnd();
                s.Position = 0;

                _response_regular
                    = GCheckout.Util.EncodeHelper.Deserialize(s)
                      as GCheckout.AutoGen.NotificationHistoryResponse;
            }
        }
        /// <summary>
        /// Initialize the Xml Documents
        /// </summary>
        static NotificationHistoryTests()
        {
            using (Stream s = Assembly.GetExecutingAssembly()
            .GetManifestResourceStream(
            "GCheckout.Checkout.Tests.Xml.NotificationHistoryResponse1.xml")) {

            StreamReader sr = new StreamReader(s);
            _response_regular_string = sr.ReadToEnd();
            s.Position = 0;

            _response_regular
              = GCheckout.Util.EncodeHelper.Deserialize(s)
              as GCheckout.AutoGen.NotificationHistoryResponse;
              }
        }