transformers

6c2ad00c - Move `is_pipeline_test_to_skip` to specific model test classes (#21999)

Move `is_pipeline_test_to_skip` to specific model test classes (#21999) * Move `is_pipeline_test_to_skip` to specific model test classes --------- Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>