popped := heap.Pop(pq)
		if task != popped {
			t.Fatalf("pop %d was not in order", i)
		}
		if peeked != popped {
			t.Fatalf("did not peek at the next item to be popped")
		}
	}
}

func TestDelayQueueOrdering(t *testing.T) {
	dq := NewDelayed(DelayQueueWorkers(2))
	stop := make(chan struct{})
	defer close(stop)
	go dq.Run(stop)

	mu := sync.Mutex{}
	var t0, t1, t2 time.Time

	done := make(chan struct{})