Skip failing `ZeroShotAudioClassificationPipelineTests::test_small_model_pt` for now
# What does this PR do?

Skip failing `ZeroShotAudioClassificationPipelineTests::test_small_model_pt` for now.

see [failing job](https://app.circleci.com/pipelines/github/huggingface/transformers/68367/workflows/0d616969-381a-4ce2-96f9-ec83b259df75/jobs/856192)

likely a `datasets` issue
_The documentation is not available anymore as the PR was closed or merged._