Fix HTTPError when Too Many Requests for huggingface hub (#7765)

Fixes #7764

### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).
- [ ] Breaking change (fix or new feature that would cause existing
functionality to change).
- [ ] New tests added to cover the changes.
- [ ] Integration tests passed locally by running `./runtests.sh -f -u
--net --coverage`.
- [ ] Quick tests passed locally by running `./runtests.sh --quick
--unittests --disttests`.
- [ ] In-line docstrings updated.
- [ ] Documentation updated, tested `make html` command in the `docs/`
folder.

Signed-off-by: YunLiu <55491388+KumoLiu@users.noreply.github.com>

Author: KumoLiu

tests/utils.py

@@ -156,6 +156,7 @@ def skip_if_downloading_fails():
                 "limit",  # HTTP Error 503: Egress is over the account limit
                 "authenticate",
                 "timed out",  # urlopen error [Errno 110] Connection timed out
+                "HTTPError",  # HTTPError: 429 Client Error: Too Many Requests for huggingface hub
             )
         ):
             raise unittest.SkipTest(f"error while downloading: {rt_e}") from rt_e  # incomplete download