- Fix outdated comments
- Use mock specs when possible
- More precise error message check in test_import_txt_invalid.
- Fix copyright message
- Tweak missing pyqt error message
- Dead code: remove group_by and where from sqlcategory.
With the new separate completion table, these are no longer used.
- Move test_history out of webkit/. History is no longer purely webkit
related, it could be webengine.