The cssText property for a computed style should return an empty string
Created attachment 443816 [details] Patch
Created attachment 443840 [details] Patch for landing
Committed r285604 (244108@main): <https://commits.webkit.org/244108@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 443840 [details].
<rdar://problem/85265070>
Thanks for fixing this! I agreed, having to rebaseline the tests everytime I add a new CSS property is annoying.