@Test
public void hasASetOfGauges() throws Exception {

    assertThat(gauges.getMetrics().keySet())
            .containsOnly(TERMINATED_COUNT,
                          NEW_COUNT,
                          COUNT,
                          TIMED_WAITING_COUNT,
                          BLOCKED_COUNT,
                          WAITING_COUNT,
                          DAEMON_COUNT,
                          RUNNABLE_COUNT,
                          DEADLOCK_COUNT);
}