updated color-scheme tests
upstream: https://github.com/web-platform-tests/wpt/commit/131b8a541ba98afcef35ae757e4fb2f805714230
Pull request: https://github.com/WebKit/WebKit/pull/3470
Committed 253587@main (4d34a58aa045): <https://commits.webkit.org/253587@main> Reviewed commits have been landed. Closing PR #3470 and removing active labels.
<rdar://problem/98870669>