public void GetApplicationSettingTest()
        {
            string siteId    = "1";
            string sipPeerId = "test";

            using (var server = new HttpServer(new[]
            {
                new RequestHandler
                {
                    EstimatedMethod = "GET",
                    EstimatedPathAndQuery = $"/v1.0/accounts/{Helper.AccountId}/sites/{siteId}/sippeers/{sipPeerId}/products/messaging/applicationSettings",
                    ContentToSend = new StringContent(TestXmlStrings.ApplicationSettingsResponse, Encoding.UTF8, "application/xml")
                }
            }))
            {
                var client = Helper.CreateClient();
                var r      = SipPeer.GetApplicationSetting(siteId, sipPeerId).Result;
                if (server.Error != null)
                {
                    throw server.Error;
                }

                Assert.IsNotNull(r.ApplicationsSettings);
                Assert.AreEqual("4a4ca6c1-156b-4fca-84e9-34e35e2afc32", r.ApplicationsSettings.HttpMessagingV2AppId);
            }
        }