class_docstr: Smoke test for ffmpeg_utils module
docstr: `get_versions` does not crash
code: def test_get_version(self):
      """`get_versions` does not crash"""
      versions = ffmpeg_utils.get_versions()
      assert set(versions.keys()) == {
          "libavutil",
          "libavcodec",
          "libavformat",
          "libavfilter",
          "libavdevice",
      }
  
file_path: audio/test/torchaudio_unittest/utils/ffmpeg_utils_test.py
imports: from torchaudio.utils import ffmpeg_utils
  from torchaudio_unittest.common_utils import PytorchTestCase, skipIfNoFFmpeg
label_desc: Use image node_id 4 for calling the TestFFmpegUtils obj's underlying member method code with example usage: obj.test_get_version() without return types