Remove set_access_token usage + fail tests if FutureWarning (#5623)

* Remove set_access_token usage + fail tests if FutureWarning

* Error only on huggingface_hub future warnings

* fix tests

---------

Co-authored-by: testbot <[email protected]>

Author: Wauplin

setup.cfg

@@ -2,6 +2,9 @@
 license_file = LICENSE
 
 [tool:pytest]
+# Test fails if a FutureWarning is thrown by `huggingface_hub`
+filterwarnings =
+    error::FutureWarning:huggingface_hub*
 markers =
     unit: unit test
     integration: integration test

tests/fixtures/hub.py

@@ -39,12 +39,9 @@ def ci_hub_token_path(monkeypatch):
 
 @pytest.fixture
 def set_ci_hub_access_token(ci_hub_config, ci_hub_token_path):
-    _api = HfApi(endpoint=CI_HUB_ENDPOINT)
-    _api.set_access_token(CI_HUB_USER_TOKEN)
     HfFolder.save_token(CI_HUB_USER_TOKEN)
     yield
     HfFolder.delete_token()
-    _api.unset_access_token()
 
 
 @pytest.fixture(scope="session")
@@ -54,14 +51,11 @@ def hf_api():
 
 @pytest.fixture(scope="session")
 def hf_token(hf_api: HfApi):
-    hf_api.set_access_token(CI_HUB_USER_TOKEN)
+    previous_token = HfFolder.get_token()
     HfFolder.save_token(CI_HUB_USER_TOKEN)
-
     yield CI_HUB_USER_TOKEN
-    try:
-        hf_api.unset_access_token()
-    except requests.exceptions.HTTPError:
-        pass
+    if previous_token is not None:
+        HfFolder.save_token(previous_token)
 
 
 @pytest.fixture