public void PublishAndSubscribe()
        {
            using (Connector connector1 = TreeTest.InitializeConnector(out IClientSession session1))
                using (Connector connector2 = TreeTest.InitializeConnector(out IClientSession session2))
                {
                    IItem itemOnConnector1 = connector1.Tree.GetOrAddItem("TreeUpdatorTest.Item1");
                    Assert.IsTrue(itemOnConnector1.AddSubscriberAsync(session1).Result);

                    IItem itemOnConnector2 = connector2.Tree.GetOrAddItem("TreeUpdatorTest.Item1");
                    itemOnConnector2.DataAsString = "TestData";
                    itemOnConnector2.StoreAsync(session2);
                    itemOnConnector2.DataAsString = "TestData2";

                    // Update reaches connector1
                    Thread.Sleep(333);
                    Assert.AreEqual("TestData", itemOnConnector1.DataAsString);

                    // But not connector2 which had already a newer one
                    Assert.AreEqual("TestData2", itemOnConnector2.DataAsString);
                }
        }