Bug 207165 – [ Mac wk2 ] tiled-drawing/scrolling/scroll-snap/scroll-snap-mandatory-padding.html is flaky failing.

• Component: Scrolling
• Status: RESOLVED CONFIGURATION CHANGED

[Jason Lawrence]

tiled-drawing/scrolling/scroll-snap/scroll-snap-mandatory-padding.html

Description:
This test is flaky failing on Mac.

History:
https://results.webkit.org/?suite=layout-tests&test=tiled-drawing%2Fscrolling%2Fscroll-snap%2Fscroll-snap-mandatory-padding.html&platform=mac&limit=50000

Diff:
--- /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/scroll-snap/scroll-snap-mandatory-padding-expected.txt
+++ /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/scroll-snap/scroll-snap-mandatory-padding-actual.txt
@@ -1,13 +1,14 @@
 Tests that the scroll-snap feature works properly in overflow regions.
  Testing scroll-snap glide for horizontalTarget:
-PASS div scrolled to next window.
+FAIL div did not honor snap points. Expected 320, but got 0
 Testing scroll-snap snap for horizontalTarget:
-PASS div honored snap points.
+FAIL div did not snap back to proper location for horizontalTarget. Expected 0, but got 20
 Testing scroll-snap glide for verticalTarget:
 PASS div scrolled to next window.
 Testing scroll-snap snap for verticalTarget:
 PASS div honored snap points.
 PASS successfullyParsed is true
+Some tests failed.
 
 TEST COMPLETE

[Radar WebKit Bug Importer]

<rdar://problem/59132122>

[Jason Lawrence]

Created attachment 389601 [details]
Update Test Expectations

[Truitt Savell]

Comment on attachment 389601 [details]
Update Test Expectations

Clearing flags on attachment: 389601

Committed r255619: <https://trac.webkit.org/changeset/255619>

[Jason Lawrence]

I was able to reproduce this issue on r256238 by using the command below.
run-webkit-tests tiled-drawing/scrolling/scroll-snap/scroll-snap-mandatory-padding.html --iterations 5000 -f --force --exit-after-n-failures 5

[573/5000] tiled-drawing/scrolling/scroll-snap/scroll-snap-mandatory-padding.html failed unexpectedly (text diff)
Retrying 1 unexpected failure ...
4999 tests ran as expected, 1 didn't