err = work.Run(func() error {
		time.Sleep(450 * time.Millisecond)
		return nil
	})
	if err != nil {
		t.Error("DeadlineWorker should succeed")
	}
}

func TestDeadlineWriter(t *testing.T) {
	w := NewDeadlineWriter(&sleepWriter{timeout: 500 * time.Millisecond}, 450*time.Millisecond)
	_, err := w.Write([]byte("1"))
	if err != context.DeadlineExceeded {

	h := algo.New()
	buf := globalBytePoolCap.Load().Get()
	rb := ringbuffer.NewBuffer(buf[:cap(buf)]).SetBlocking(true)

	bw := &streamingBitrotWriter{
		iow:          ioutil.NewDeadlineWriter(rb.WriteCloser(), globalDriveConfig.GetMaxTimeout()),
		closeWithErr: rb.CloseWithError,
		h:            h,
		shardSize:    shardSize,
		canClose:     &sync.WaitGroup{},
		byteBuf:      buf,
	}