code: def setUp(self):
      pass
  
file_path: pytorchvideo/tests/test_data_domsev_dataset.py
imports: import tempfile
  import unittest
  import unittest.mock
  from contextlib import ExitStack
  from pathlib import Path
  import torch
  from parameterized import parameterized
  from pytorchvideo.data.dataset_manifest_utils import VideoClipInfo, VideoDatasetType
  from pytorchvideo.data.domsev import _get_overlap_for_time_range_pair, _seconds_to_frame_index, DomsevVideoDataset, LabelData
  from pytorchvideo.data.utils import save_dataclass_objs_to_headered_csv
  from utils import get_encoded_video_infos, get_flat_video_frames, MOCK_VIDEO_IDS, MOCK_VIDEO_INFOS
label_desc: Use image node_id 1 for calling the TestDomsevVideoDataset obj's underlying member method code with example usage: obj.setUp() without return types