Revert "test: Skip for GITHUB_ACTIONS inside fixture"

This reverts commit 4d65e6952cc164fe0212faa807d1f659df3d2792.

tests/conftest.py

@@ -741,13 +741,6 @@ async def interactive_oauth_token(oauth_callback_server) -> str:
     Automatically skips when running in GitHub Actions CI.
     """
 
-    # Skip if GITHUB_ACTIONS env var available, meaning that no interactive
-    # browser is available
-    if "GITHUB_ACTIONS" in os.environ:
-        pytest.skip(
-            reason="Running in GitHub Action, skipping due to lack of interactive browser"
-        )
-
     import time
     import webbrowser