code: def test_smoke():
      serial = FiftyOneDetectionLabelsOutput()
      assert serial is not None
  
file_path: lightning-flash/tests/image/detection/test_output.py
imports: import numpy
  import pytest
  import torch
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _FIFTYONE_AVAILABLE, _TOPIC_IMAGE_AVAILABLE
  from flash.image.detection.output import FiftyOneDetectionLabelsOutput
label_desc: Use image node_id 1 for calling the TestFiftyOneDetectionLabelsOutput obj's underlying member method code with example usage: obj.test_smoke() without return types