code: def testing_cfg(download_path):
      cfg = CfgNode()
      cfg.DATASET = CfgNode()
      cfg.DATASET.ROOT = download_path + "/video_test_data/"
      cfg.DATASET.IMAGE_MODALITY = "joint"
      cfg.DATASET.FRAMES_PER_SEGMENT = 16
      yield cfg
  
file_path: pykale/tests/loaddata/test_video_access.py
imports: import pytest
  import torch
  from yacs.config import CfgNode
  from kale.loaddata.dataset_access import get_class_subset
  from kale.loaddata.multi_domain import DomainsDatasetBase
  from kale.loaddata.video_access import get_image_modality, VideoDataset, VideoDatasetAccess
  from kale.loaddata.video_multi_domain import VideoMultiDomainDatasets
  from kale.utils.seed import set_seed
label_desc: Use image node_id 1 for calling a global function with example usage: testing_cfg(download_path) without return types