Skip XNLI test
Skips an XNLI test that currently fails due to https://github.com/fsspec/filesystem_spec/issues/1034
Preceded by https://github.com/huggingface/transformers/pull/18837<|||||>The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_18838). All of your documentation changes will be reflected on that endpoint.