assertEquals("host1", info.hostname);
        assertEquals("node1", info.name);
        assertEquals(1000L, info.lastSeen);
    }

    @Test
    public void test_OperationInfo() {
        final OperationInfo info = new OperationInfo();
        info.name = "reindex";
        info.instanceId = "node1@host1";
        info.hostname = "host1";
        info.status = "running";