Remove requests_cache in tests (#5285)

test/conftest.py

@@ -1,5 +1,4 @@
 import warnings
-from datetime import timedelta
 from typing import Any, List, Optional, Dict, Union
 
 import gc
@@ -10,7 +9,6 @@
 from functools import wraps
 from unittest.mock import patch
 
-import requests_cache
 import responses
 import posthog
 
@@ -81,10 +79,6 @@
 # Disable caching from prompthub to avoid polluting the local environment.
 os.environ["PROMPTHUB_CACHE_ENABLED"] = "false"
 
-# Cache requests (e.g. huggingface model) to circumvent load protection
-# See https://requests-cache.readthedocs.io/en/stable/user_guide/filtering.html
-requests_cache.install_cache(urls_expire_after={"huggingface.co": timedelta(hours=1), "*": requests_cache.DO_NOT_CACHE})
-
 
 def fail_at_version(target_major, target_minor):
     """