if (found != null && found) {
                    final Map<String, Object> source = getMapValue(result, "_source");
                    if (source != null) {
                        final OperationInfo info = new OperationInfo();
                        info.name = getStringValue(source, "name");
                        info.instanceId = getStringValue(source, "instanceId");

        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";
        info.createdTime = 2000L;