- Remove over-engineered allow_all_models fixture (6 operations → 1 line API key setting)
- Replace 10 lines of monkey patching boilerplate with 1-line inject_transport helper
- Remove cargo-cult error handling that allowed test to pass with API failures
- Create reusable transport_helpers.py for HTTP transport injection patterns
- Fix provider registration state pollution between batch test runs
- Test now works reliably in both individual and batch execution modes
The test is significantly cleaner and addresses root cause (provider registration timing)
rather than symptoms (cache clearing).
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
