public void TestFetchResponse()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();

            twilioRestClient.AccountSid.Returns("ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            twilioRestClient.Request(Arg.Any <Request>())
            .Returns(new Response(
                         System.Net.HttpStatusCode.OK,
                         "{\"id\": \"DataTaps.TestEventSchema\",\"schema_version\": 1,\"date_created\": \"2015-07-30T20:00:00Z\",\"url\": \"https://events.twilio.com/v1/Schemas/DataTaps.TestEventSchema/Versions/1\",\"raw\": \"https://events-schemas.twilio.com/DataTaps.TestEventSchema/1\"}"
                         ));

            var response = VersionResource.Fetch("id", 1, client: twilioRestClient);

            Assert.NotNull(response);
        }
        public void TestFetchRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Get,
                Twilio.Rest.Domain.Events,
                "/v1/Schemas/id/Versions/1",
                ""
                );

            twilioRestClient.Request(request).Throws(new ApiException("Server Error, no content"));

            try
            {
                VersionResource.Fetch("id", 1, client: twilioRestClient);
                Assert.Fail("Expected TwilioException to be thrown for 500");
            }
            catch (ApiException) {}
            twilioRestClient.Received().Request(request);
        }