Bug 172666 – fast/images/slower-decoding-than-animation-image.html is flaky.

• Component: New Bugs
• Status: RESOLVED DUPLICATE

[Matt Lewis]

The test fast/images/slower-decoding-than-animation-image.html seems to be flaky. It's failing intermittently on all Mac debug builds according to the flakiness dashboard. 

The first failure seems to be on from this build, but I don't think the revision is related:
https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/builds/912

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fimages%2Fslower-decoding-than-animation-image.html

Most recent failure:
https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK2%20(Tests)/builds/1226
https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r217498%20(1226)/results.html


Diff:
--- /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/fast/images/slower-decoding-than-animation-image-expected.txt
+++ /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/fast/images/slower-decoding-than-animation-image-actual.txt
@@ -3,7 +3,7 @@
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS internals.imageFrameIndex(image) is 1
+FAIL internals.imageFrameIndex(image) should be 1. Was 2.
 PASS successfullyParsed is true
 
 TEST COMPLETE


I have been unable to consistently reproduce the failure locally on either platform.

[Ryan Haddad]

I wonder if this could be related to this change from the day before the first failure you linked https://trac.webkit.org/changeset/216154/webkit

[Matt Lewis]

Marked test as flaky.
https://trac.webkit.org/changeset/217713/webkit

[Matt Lewis]

This has started to be flaky on El Capitan Debug WK1 as well according to the dashboard:

first failure:
https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/builds/3693

The Diff is the same.

[Said Abou-Hallawa]

*** This bug has been marked as a duplicate of bug 207859 ***