[web-animations] additive and accumulation interpolation does not work correctly with implicit 0% and 100% keyframes
Created attachment 451272 [details] Patch
This patch modifies the imported WPT tests. Please ensure that any changes on the tests (not coming from a WPT import) are exported to WPT. Please see https://trac.webkit.org/wiki/WPTExportProcess
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/32753
Committed r289454 (246998@main): <https://commits.webkit.org/246998@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 451272 [details].
<rdar://problem/88672124>