[backends] Skip corrupt video test on MoviePy awaiting Zulko/moviepy#…

…2253

tests/test_video_stream.py

@@ -354,10 +354,12 @@ def test_corrupt_video(vs_type: Type[VideoStream], corrupt_video_file: str):
     """Test that backend handles video with corrupt frame gracefully with defaults."""
     if vs_type == VideoManager:
         pytest.skip(reason="VideoManager does not support handling corrupt videos.")
+    if vs_type == VideoStreamMoviePy:
+        pytest.skip(reason="https://github.com/Zulko/moviepy/pull/2253")
 
     stream = vs_type(corrupt_video_file)
 
-    # OpenCV usually fails to read the video at frame 45, so we make sure all backends can
-    # get to 60 without reporting a failure.
+    # OpenCV usually fails to read the video at frame 45, but the remaining frames all seem to
+    # decode just fine. Make sure all backends can get to 60 without reporting a failure.
     for frame in range(60):
         assert stream.read() is not False, "Failed on frame %d!" % frame