Flakiness dashboard:

https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=webkit_layout_tests&tests=external%2Fwpt%2Fcss%2Fcss-animations%2FCSSAnimation-getComputedTiming.tentative.html


Results on WebKit Linux Trusty (dbg):

This is a testharness.js-based test.
PASS delay of a new animation
PASS Negative delay of a new animation
PASS Positive delay of a new animation
PASS endDelay of a new animation
PASS fill of a new animation
PASS iterationStart of a new animation
PASS iterations of a new animation
PASS iterations of a finitely repeating animation
PASS iterations of an infinitely repeating animation
PASS duration of a new animation
PASS direction of a new animation
PASS easing of a new animation
PASS endTime of an new animation
PASS endTime of an animation with a negative delay
PASS endTime of an infinitely repeating animation
PASS endTime of an infinitely repeating zero-duration animation
PASS endTime of an animation that finishes before its startTime
PASS activeDuration of a new animation
PASS activeDuration of an infinitely repeating animation
PASS activeDuration of an infinitely repeating zero-duration animation
PASS activeDuration of an animation with zero iterations
PASS localTime of a new animation
PASS localTime of an animation is always equal to currentTime
FAIL localTime reflects playbackRate immediately assert_equals: localTime is equal to currentTime expected 33.332000002701534 but got 0
PASS localTime of an AnimationEffect without an Animation
PASS progress of an animation with different fill modes
PASS progress of an integral repeating animation with normal direction
PASS progress of an infinitely repeating zero-duration animation
PASS progress of a finitely repeating zero-duration animation
PASS progress of a non-integral repeating zero-duration animation
PASS Progress of a non-integral repeating zero-duration animation with reversing direction
PASS progress of a non-integral repeating animation with alternate direction
PASS progress of a non-integral repeating animation with alternate-reversing direction
PASS progress of a non-integral repeating zero-duration animation with alternate direction
PASS progress of a non-integral repeating zero-duration animation with alternate-reverse direction
PASS currentIteration of a new animation with no backwards fill is unresolved in before phase
PASS currentIteration of a new animation is zero
PASS currentIteration of an infinitely repeating zero-duration animation
PASS currentIteration of a finitely repeating zero-duration animation
PASS currentIteration of an animation with a non-integral iteration count
PASS currentIteration of an animation with an integral iteration count
PASS currentIteration of an animation with a default iteration count
PASS currentIteration of an AnimationEffect without an Animation
Harness: the test ran to completion.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f47f082dbac134578d93850aaf00bf5d19b44420

commit f47f082dbac134578d93850aaf00bf5d19b44420
Author: Hiroki Nakagawa <nhiroki@chromium.org>
Date: Thu Jun 07 01:17:07 2018

Sheriff: Supress failures on external/wpt/css/css-animations/CSSAnimation-getComputedTiming.tentative.html

See the issue for details.

Bug: 850349
Change-Id: I776d6d2cc0ba9e4b8265a6366a8a6982dfac2b34
TBR: nhiroki@chromium.org
NOTRY: true
Reviewed-on: https://chromium-review.googlesource.com/1089596
Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565131}
[modify] https://crrev.com/f47f082dbac134578d93850aaf00bf5d19b44420/third_party/WebKit/LayoutTests/TestExpectations