There is a typo in this test: fast/shadow-dom/attach-shadow-to-elements.html
Pull request: https://github.com/WebKit/WebKit/pull/2268
Committed 252323@main (e826a8a00605): <https://commits.webkit.org/252323@main> Reviewed commits have been landed. Closing PR #2268 and removing active labels.
<rdar://problem/96784573>