code: def test_decode_video_failure(self):
      with tempfile.NamedTemporaryFile(suffix=".mp4") as f:
          f.write(b"This is not an mp4 file")
          with pytest.raises(RuntimeError):
              test_video = EncodedVideo.from_path(f.name)
              test_video.close()
  
file_path: pytorchvideo/tests/test_data_encoded_video.py
imports: import tempfile
  import unittest
  import pytest
  from pytorchvideo.data.encoded_video import EncodedVideo
  from pytorchvideo.data.encoded_video_pyav import EncodedVideoPyAV
  from utils import temp_encoded_video, temp_encoded_video_with_audio
label_desc: Use image node_id 7 for calling the TestEncodedVideo obj's underlying member method code with example usage: obj.test_decode_video_failure() without return types