code: def download_video(
      input_file_index: int,
  ) -> Tuple[VideoAugConfig, str, str]:
      config = VideoAugConfig(input_file_index=input_file_index)
      vid_path, vid_file = config.get_input_path()
  
      local_vid_path = pathmgr.get_local_path(vid_path)
      return config, local_vid_path, vid_file
  
file_path: AugLy/augly/tests/video_tests/base_unit_test.py
imports: import filecmp
  import os
  import tempfile
  import unittest
  from typing import Any, Callable, Dict, List, Optional, Tuple
  from augly.tests import VideoAugConfig
  from augly.utils import pathmgr, TEST_URI
label_desc: Use image node_id 7 for calling the BaseVideoUnitTest obj's underlying member method code with example usage: obj.download_video(input_file_index) and returns: config,  local_vid_path,  vid_file