code: def _create_synth_files_dataset(tmpdir):
      predict_folder = _create_synth_folders_dataset(tmpdir)
  
      return [
          os.path.join(predict_folder, f)
          for f in os.listdir(predict_folder)
      ]
  
file_path: lightning-flash/tests/image/detection/test_data.py
imports: import json
  import os
  from pathlib import Path
  import pytest
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _FIFTYONE_AVAILABLE, _ICEVISION_AVAILABLE, _PIL_AVAILABLE
  from flash.image.detection.data import ObjectDetectionData
label_desc: Use image node_id 4 for calling a global function with example usage: _create_synth_files_dataset(tmpdir) and returns: unknown