It looks like the changes in https://trac.webkit.org/changeset/267887/webkit

broke fast/css/getComputedStyle/computed-style-without-renderer.html and
imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=fast%2Fcss%2FgetComputedStyle%2Fcomputed-style-without-renderer.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-pseudo%2Ffirst-letter-allowed-properties.html

Diffs:
--- /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties-actual.txt
@@ -32,6 +32,6 @@
 PASS verticalAlign should be applied to first-letter pseudo elements.
 PASS wordSpacing should be applied to first-letter pseudo elements.
 FAIL transition should not be applied to first-letter pseudo elements. assert_equals: expected "all 0s ease 0s" but got "transform 1s ease 0s"
-PASS transform should not be applied to first-letter pseudo elements.
+FAIL transform should not be applied to first-letter pseudo elements. assert_equals: expected "none" but got ""
 FAIL wordBreak should not be applied to first-letter pseudo elements. assert_equals: expected "normal" but got "break-all"
 

--- /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/fast/css/getComputedStyle/computed-style-without-renderer-actual.txt
@@ -173,7 +173,7 @@
 text-shadow: none
 text-transform: none
 top: auto
-transform: none
+transform:
 transform-style: flat
 transition-delay: 0s
 transition-duration: 0s