assertEquals(0, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.HELLO, ns.state);
prev = ns.lastseen;
clk.forward(FlumeConfiguration.get().getConfigHeartbeatPeriod() * 20);
stats.checkup();
ns = stats.getNodeStatuses().get("foo");
assertEquals(0, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.LOST, ns.state);