@Test
public void shouldNotTriggerBackfillsWithMissingBackfill() throws Exception {

  backfills.put(BACKFILL_1.id(), BACKFILL_1);
  when(transaction.backfill(BACKFILL_1.id())).thenReturn(Optional.empty());
  backfillTriggerManager.tick();
  verifyZeroInteractions(triggerListener);
}