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

            twilioRestClient.AccountSid.Returns("ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            twilioRestClient.Request(Arg.Any <Request>())
            .Returns(new Response(
                         System.Net.HttpStatusCode.OK,
                         "{\"account_sid\": \"ACaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"sid\": \"BYaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"friendly_name\": \"update_name\",\"voice_url\": \"https://byoc.example.com/twilio_updated/app\",\"voice_method\": \"GET\",\"voice_fallback_method\": \"GET\",\"voice_fallback_url\": \"https://byoc.example.com/twilio_updated/fallback\",\"status_callback_method\": \"GET\",\"status_callback_url\": \"https://byoc.example.com/twilio_updated/status_callback\",\"cnam_lookup_enabled\": true,\"connection_policy_sid\": \"NYaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab\",\"from_domain_sid\": \"SDaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab\",\"date_created\": \"2020-03-18T23:31:36Z\",\"date_updated\": \"2020-03-18T23:31:37Z\",\"url\": \"https://voice.twilio.com/v1/ByocTrunks/BYaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}"
                         ));

            var response = ByocTrunkResource.Update("BYXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);

            Assert.NotNull(response);
        }
        public void TestUpdateRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Post,
                Twilio.Rest.Domain.Voice,
                "/v1/ByocTrunks/BYXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
                ""
                );

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

            try
            {
                ByocTrunkResource.Update("BYXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);
                Assert.Fail("Expected TwilioException to be thrown for 500");
            }
            catch (ApiException) {}
            twilioRestClient.Received().Request(request);
        }