enc := jsoniter.ConfigCompatibleWithStandardLibrary.NewEncoder(buf)
	for i := range items {
		if err = enc.Encode(items[i]); err != nil {
			t.Fatal(err)
		}
	}

	if _, err := store.PutMultiple(items); err != nil {
		t.Fatalf("failed to put multiple; %v", err)
	}

	keys := store.List()
	if len(keys) != 1 {
		t.Fatalf("expected len(keys)=1, but found %d", len(keys))
	}

	key := keys[0]

					go h.startQueueProcessor(ctx, false)
				}
			}
		}

		var err error
		if !isDirQueue {
			err = h.send(ctx, buf.Bytes(), count, h.payloadType, h.httpTimeout)
		} else {
			_, err = h.store.PutMultiple(entries)
		}

		if err != nil {
			if errors.Is(err, context.Canceled) {
				return
			}

			h.config.LogOnceIf(
				context.Background(),