public void SiloInstanceTable_FindPrimarySiloEndpoint()
        {
            RegisterSiloInstance();

            IPEndPoint primary = manager.FindPrimarySiloEndpoint();

            Assert.IsNull(primary, "Primary silo should not be found before Silo.Activate");

            manager.ActivateSiloInstance(myEntry);

            primary = manager.FindPrimarySiloEndpoint();
            Assert.IsNotNull(primary, "Primary silo should be found after Silo.Activate");

            Assert.AreEqual(myEntry.Address, primary.Address.ToString(), "Primary silo address");
            Assert.AreEqual(myEntry.Port, primary.Port.ToString(CultureInfo.InvariantCulture), "Primary silo port");
        }