MockNM nm1 = rm.registerNode("h1:1234", 5120);
    MockNM nm2 = rm.registerNode("h2:1235", 5121);
    rm.sendNodeStarted(nm1);
    rm.NMwaitForState(nm2.getNodeId(), RMNodeState.NEW);
    rm.NMwaitForState(nm1.getNodeId(), RMNodeState.RUNNING);
    RMNodeImpl node = (RMNodeImpl) rm.getRMContext().getRMNodes()
        .get(nm1.getNodeId());
    NodeHealthStatus nodeHealth = node.getNodeHealthStatus();
    nodeHealth.setHealthReport("test health report");
    nodeHealth.setIsNodeHealthy(false);
    node.handle(new RMNodeStatusEvent(nm1.getNodeId(), nodeHealth,
        new ArrayList<ContainerStatus>(), null, null));
    rm.NMwaitForState(nm1.getNodeId(), RMNodeState.UNHEALTHY);
    ClientResponse response = r.path("ws").path("v1").path("cluster")
        .path("nodes").queryParam("healthy", "true")