1. WPT tests now accept `anchor-size()` property for sizing, inset, and margin properties [1]. 2. Adjust test expectations for `anchor-size()` fallbacks containing `anchor-size()` - This will need to be followed up once [2] is resolved. 3. Adjust expectations for devtools' auto-completion related mochitests. 4. We don't yet handle `anchor-size()` in `calc()`. [1] https://github.com/w3c/csswg-drafts/issues/9827 [2] https://github.com/w3c/csswg-drafts/issues/10831 Differential Revision: https://phabricator.services.mozilla.com/D222535