// Add id relocation listeners to each node, and keep a map of them.
Map<Long, TestRelocationListener> moveMap =
new HashMap<Long, TestRelocationListener>();
addRelocationListeners(true, moveMap);
Identity id = new IdentityImpl("first");
nodeMappingService.assignNode(NodeMappingService.class, id);
GetNodeTask task = new GetNodeTask(id);
txnScheduler.runTask(task, taskOwner);;
long firstNodeId = task.getNodeId();