public MockConnectionManager(
     IOService ioService,
     ConcurrentMap<Address, NodeEngineImpl> nodes,
     Node node,
     Object joinerLock) {
   this.ioService = ioService;
   this.nodes = nodes;
   this.node = node;
   this.joinerLock = joinerLock;
   this.logger = ioService.getLogger(MockConnectionManager.class.getName());
   synchronized (this.joinerLock) {
     this.nodes.put(node.getThisAddress(), node.nodeEngine);
   }
 }