public void IfReceiverIdentifierDoesntExist_FundReturnsNull()
        {
            var onePeer     = ReceiverIdentities.CreateForActor();
            var anotherPeer = ReceiverIdentities.CreateForActor();

            peerRegistry.FindOrAdd(onePeer, new ClusterMemberMeta());
            //
            Assert.IsNull(peerRegistry.Find(anotherPeer));
        }