@Override
            public String getIndexConfigIndex() {
                return "fess_config";
            }
        });
        assertEquals("fess_config.coordinator", coordinatorHelper.getIndexName());
    }

    @Test
    public void test_getIndexName_custom() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {

#                                                Coordinator
#                                                     ------

# Interval (seconds) for polling heartbeats and events.
coordinator.poll.interval=60
# Time-to-live (ms) for instance heartbeat documents.
coordinator.heartbeat.ttl=180000
# Time-to-live (ms) for operation lock documents.
coordinator.operation.ttl=7200000