code: def run_main():
      downloaded_dataset_file = os.path.join(
          TEST_DIR, "downloads", "dataset.zip"
      )
      dataset_url = "https://github.com/Project-MONAI/MONAILabel/releases/download/data/test_dataset.zip"
      if not os.path.exists(downloaded_dataset_file):
          download_url(
              url=dataset_url, filepath=downloaded_dataset_file
          )
      if not os.path.exists(os.path.join(TEST_DATA, "dataset")):
          extractall(
              filepath=downloaded_dataset_file, output_dir=TEST_DATA
          )
  
      downloaded_pathology_file = os.path.join(
          TEST_DIR, "downloads", "JP2K-33003-1.svs"
      )
      pathology_url = "https://github.com/Project-MONAI/MONAILabel/releases/download/data/JP2K-33003-1.svs"
      if not os.path.exists(downloaded_pathology_file):
          download_url(
              url=pathology_url, filepath=downloaded_pathology_file
          )
      if not os.path.exists(os.path.join(TEST_DATA, "pathology")):
          os.makedirs(os.path.join(TEST_DATA, "pathology"))
          shutil.copy(
              downloaded_pathology_file,
              os.path.join(TEST_DATA, "pathology"),
          )
  
      downloaded_endoscopy_file = os.path.join(
          TEST_DIR, "downloads", "endoscopy_frames.zip"
      )
      endoscopy_url = "https://github.com/Project-MONAI/MONAILabel/releases/download/data/endoscopy_frames.zip"
      if not os.path.exists(downloaded_endoscopy_file):
          download_url(
              url=endoscopy_url, filepath=downloaded_endoscopy_file
          )
      if not os.path.exists(os.path.join(TEST_DATA, "endoscopy")):
          os.makedirs(os.path.join(TEST_DATA, "endoscopy"))
          extractall(
              filepath=downloaded_endoscopy_file,
              output_dir=os.path.join(TEST_DATA, "endoscopy"),
          )
  
      downloaded_detection_file = os.path.join(
          TEST_DIR, "downloads", "detection_dataset.zip"
      )
      dataset_url = "https://github.com/Project-MONAI/MONAILabel/releases/download/data/detection_dataset.zip"
      if not os.path.exists(downloaded_detection_file):
          download_url(
              url=dataset_url, filepath=downloaded_detection_file
          )
      if not os.path.exists(os.path.join(TEST_DATA, "detection")):
          os.makedirs(os.path.join(TEST_DATA, "detection"))
          extractall(
              filepath=downloaded_detection_file,
              output_dir=os.path.join(TEST_DATA, "detection"),
          )
  
      downloaded_dicom_file = os.path.join(
          TEST_DIR, "downloads", "dicom.zip"
      )
      dicom_url = "https://github.com/Project-MONAI/MONAILabel/releases/download/data/dicom.zip"
      if not os.path.exists(downloaded_dicom_file):
          download_url(url=dicom_url, filepath=downloaded_dicom_file)
  
label_desc: Use image node_id 1 for calling a global function with example usage: run_main() without return types