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

            twilioRestClient.AccountSid.Returns("ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            twilioRestClient.Request(Arg.Any <Request>())
            .Returns(new Response(
                         System.Net.HttpStatusCode.OK,
                         "{\"sid\": \"FWaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"test_users\": [\"user1\",\"user2\"],\"url\": \"https://studio.twilio.com/v2/Flows/FWaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/TestUsers\"}"
                         ));

            var response = FlowTestUserResource.Update("FWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", Promoter.ListOfOne("test_users"), client: twilioRestClient);

            Assert.NotNull(response);
        }
        public void TestFetchRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Get,
                Twilio.Rest.Domain.Studio,
                "/v2/Flows/FWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/TestUsers",
                ""
                );

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

            try
            {
                FlowTestUserResource.Fetch("FWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);
                Assert.Fail("Expected TwilioException to be thrown for 500");
            }
            catch (ApiException) {}
            twilioRestClient.Received().Request(request);
        }
        public void TestUpdateRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Post,
                Twilio.Rest.Domain.Studio,
                "/v2/Flows/FWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/TestUsers",
                ""
                );

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

            try
            {
                FlowTestUserResource.Update("FWXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", Promoter.ListOfOne("test_users"), client: twilioRestClient);
                Assert.Fail("Expected TwilioException to be thrown for 500");
            }
            catch (ApiException) {}
            twilioRestClient.Received().Request(request);
        }