The serialization of css translate value should preserve its unit type, e.g. "100% 0% 1px" to "100% 0% 1px" and "0em 0em 1px" to "0em 0em 1px", not "0% 0% 1px" to "0% 0px 1px".
Created attachment 438793 [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
Committed r282830 (241961@main): <https://commits.webkit.org/241961@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 438793 [details].
<rdar://problem/83361159>