- Test Cookie.Parse edge cases (equals in value, spaces, empty fields)
- Test Secret validation for all auth types
- Test file loading with different extensions (case-insensitive)
- Test all auth strategies (Apply and ApplyOnRR methods)
- Test FileAuthProvider domain lookup (exact and regex)
- Test MultiAuthProvider delegation
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>