[Webkit-unassigned] [Bug 216155] New: REGRESSION: [ Mojave+ debug wk2 ] imported/w3c/web-platform-tests/css/css-transitions/transition-base-response-002.html is a flaky failure

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 3 16:51:01 PDT 2020


https://bugs.webkit.org/show_bug.cgi?id=216155

            Bug ID: 216155
           Summary: REGRESSION: [ Mojave+ debug wk2 ]
                    imported/w3c/web-platform-tests/css/css-transitions/tr
                    ansition-base-response-002.html is a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
imported/w3c/web-platform-tests/css/css-transitions/transition-base-response-002.html

The first failure that I see this on the dashboard was 07/17/20 at r264533, but I was not able to find a commit that seemed relevant that would have caused this.

The test appears to be flaky from the start.

The test was expecting Transitioning font-size on root affects rem units assert_equals: expected "15px" but got "16.5px", but received Transitioning font-size on root affects rem units.

REPRODUCTION STEPS
run-webkit-tests --root --iterations 50 --exit-after-n-failures 1

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-transitions%2Ftransition-base-response-002.html&limit=50000

Diff Log:
--- /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-transitions/transition-base-response-002-expected.txt
+++ /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-transitions/transition-base-response-002-actual.txt
@@ -1,4 +1,4 @@


-FAIL Transitioning font-size on root affects rem units assert_equals: expected "15px" but got "16.5px"
+PASS Transitioning font-size on root affects rem units

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