public void ListTest()
        {
            var items = new[] {
                new SipPeer
                {
                    Id            = "10",
                    SiteId        = "1",
                    Name          = "test",
                    IsDefaultPeer = true
                },
                new SipPeer
                {
                    Id            = "11",
                    SiteId        = "1",
                    Name          = "test2",
                    IsDefaultPeer = false
                }
            };

            using (var server = new HttpServer(new[]
            {
                new RequestHandler
                {
                    EstimatedMethod = "GET",
                    EstimatedPathAndQuery = string.Format("/v1.0/accounts/{0}/sites/1/sippeers", Helper.AccountId),
                    ContentToSend = Helper.CreateXmlContent(new SipPeersResponse {
                        SipPeers = items
                    })
                }
            }))
            {
                var client = Helper.CreateClient();
                var r      = SipPeer.List(client, "1").Result;
                if (server.Error != null)
                {
                    throw server.Error;
                }
                Helper.AssertObjects(items[0], r[0]);
                Helper.AssertObjects(items[1], r[1]);
            }
        }