@VisibleForTesting
  public int getListReservationsFailedRetrieved() {
    return numListReservationsFailedRetrieved.value();
  }
@Test
  public void testListReservationsFailed() {
    long totalBadBefore = metrics.getListReservationsFailedRetrieved();
    badSubCluster.getListReservations();
    Assert.assertEquals(totalBadBefore + 1, metrics.getListReservationsFailedRetrieved());
  }