docstr: Test the case when decoder probes a video file
docstr_tok: ["Test","the","case","when","decoder","probes","a","video","file"]
code: def test_probe_video_from_file(self, test_video, config):
      """
      Test the case when decoder probes a video file
      """
      full_path = os.path.join(VIDEO_DIR, test_video)
      probe_result = torch.ops.video_reader.probe_video_from_file(
          full_path
      )
      self.check_probe_result(probe_result, config)
  
imports: import collections
  import math
  import os
  from fractions import Fraction
  import numpy
  import pytest
  import torch
  import torchvision.io
  from common_utils import assert_equal
  from numpy.random import randint
  from pytest import approx
  from torchvision import set_video_backend
  from torchvision.io import _HAS_VIDEO_OPT
label_desc: Use image node_id 19 for calling the TestVideoReader obj's underlying member method code with example usage: obj.test_probe_video_from_file(test_video, config) without return types