- Add assertIsNotNone for accessibility_data to ensure test fails if no data generated
- Capture and report JSON decode errors in parse_dom_outlinks test
- Add assertIsNotNone for outlinks_data with error details
- Removes conditional checks that allowed tests to pass without verifying functionality
Addresses review comments from cubic-dev-ai
Co-authored-by: Nick Sweeting <pirate@users.noreply.github.com>