Bug 230905 – [ iOS, Mac ] imported/w3c/web-platform-tests/css/css-cascade/layer-counter-style-override.html is a flaky failure

• Component: CSS
• Status: RESOLVED FIXED

[Eric Hutchison]

imported/w3c/web-platform-tests/css/css-cascade/layer-counter-style-override.html

is a flaky failure on Mac and iOS

History: https://results.webkit.org/?suite=layout-tests&test=imported/w3c/web-platform-tests/css/css-cascade/layer-counter-style-override.html

Results: https://build.webkit.org/results/Apple-iPadOS-14-Simulator-Release-WK2-Tests/r283163%20(2261)/results.html

Diff:
--- /Volumes/Data/worker/ipados-simulator-14-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-cascade/layer-counter-style-override-expected.txt
+++ /Volumes/Data/worker/ipados-simulator-14-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-cascade/layer-counter-style-override-actual.txt
@@ -1,6 +1,6 @@
 
-FAIL @counter-style layered overrides unlayered assert_equals: expected "31.21875px" but got "0px"
-FAIL @counter-style override between layers assert_equals: expected "31.21875px" but got "6px"
-FAIL @counter-style override update with appended sheet 1 assert_equals: expected "31.21875px" but got "6px"
-FAIL @counter-style override update with appended sheet 2 assert_equals: expected "31.21875px" but got "6px"
+FAIL @counter-style layered overrides unlayered assert_equals: expected "31.21875px" but got "5px"
+FAIL @counter-style override between layers assert_equals: expected "31.21875px" but got "5px"
+FAIL @counter-style override update with appended sheet 1 assert_equals: expected "31.21875px" but got "5px"
+FAIL @counter-style override update with appended sheet 2 assert_equals: expected "31.21875px" but got "5px"
 
Issue started when test was introduced at https://trac.webkit.org/changeset/283162/webkit.

Reproduced ToT (r283178) using run-webkit-tests --ios-simulator --iterations 1000 -f --clobber-old-results --exit-after-n-failures 1 imported/w3c/web-platform-tests/css/css-cascade/layer-counter-style-override.html

[Radar WebKit Bug Importer]

<rdar://problem/83632513>

[Eric Hutchison]

Updated test expectations at https://trac.webkit.org/changeset/283185/webkit

The flaky failure is seen on MacOS Debug as well. Updating text expectations https://trac.webkit.org/changeset/284058/webkit

[Vitor Roriz]

Pull request: https://github.com/WebKit/WebKit/pull/14479

[EWS]

Committed 264682@main (d7498fdc8c65): <https://commits.webkit.org/264682@main>

Reviewed commits have been landed. Closing PR #14479 and removing active labels.