There are two remaining failures in this test seemingly due to our handling of the optional dictionary passed to the CSSMatrixComponent constructor.
Pull request: https://github.com/WebKit/WebKit/pull/4874
Committed 255058@main (dd899089db22): <https://commits.webkit.org/255058@main> Reviewed commits have been landed. Closing PR #4874 and removing active labels.
<rdar://problem/100650944>