private RMNodeImpl getRunningNode() {
NodeId nodeId = BuilderUtils.newNodeId("localhost", 0);
RMNodeImpl node = new RMNodeImpl(nodeId, rmContext,null, 0, 0,
null, null);
node.handle(new RMNodeEvent(node.getNodeID(), RMNodeEventType.STARTED));
Assert.assertEquals(RMNodeState.RUNNING, node.getState());
return node;
}