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

            twilioRestClient.AccountSid.Returns("ACaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
            twilioRestClient.Request(Arg.Any <Request>())
            .Returns(new Response(
                         System.Net.HttpStatusCode.OK,
                         "{\"account_sid\": \"ACaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"address_sid\": \"AD11111111111111111111111111111111\",\"capabilities\": {\"sms\": true,\"voice\": false},\"cc_emails\": [\"[email protected]\",\"[email protected]\"],\"date_created\": \"2017-03-28T20:06:39Z\",\"date_updated\": \"2017-03-28T20:06:39Z\",\"email\": \"[email protected]\",\"friendly_name\": \"new friendly name\",\"incoming_phone_number_sid\": \"PN11111111111111111111111111111111\",\"phone_number\": \"+14153608311\",\"sid\": \"HRaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"signing_document_sid\": \"PX11111111111111111111111111111111\",\"status\": \"pending-loa\",\"unique_name\": \"new unique name\",\"url\": \"https://preview.twilio.com/HostedNumbers/HostedNumberOrders/HRaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"verification_attempts\": 1}"
                         ));

            var response = HostedNumberOrderResource.Update("HRaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", client: twilioRestClient);

            Assert.NotNull(response);
        }
    static void Main(string[] args)
    {
        // Find your Account Sid and Token at twilio.com/console
        const string accountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        const string authToken  = "your_auth_token";

        TwilioClient.Init(accountSid, authToken);

        var hostedNumberOrder = HostedNumberOrderResource.Update(
            friendlyName: "FriendlyName",
            pathSid: "HRXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
            );

        Console.WriteLine(hostedNumberOrder.FriendlyName);
    }
        public void TestUpdateRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Post,
                Twilio.Rest.Domain.Preview,
                "/HostedNumbers/HostedNumberOrders/HRaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                ""
                );

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

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