Bug 206908

Summary: [ macOS ] imported/w3c/web-platform-tests/hr-time/basic.any.html is flaky failing
Product: WebKit Reporter: Jacob Uphoff <jacob_uphoff>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: tsavell, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Update Test Expectations none

Description Jacob Uphoff 2020-01-28 14:40:01 PST 
imported/w3c/web-platform-tests/hr-time/basic.any.html

is flaky failing on macOS wk1 & wk2 

failure did not reproduce in iteration runs 

Failure goes back as far as visible history shows, so not a regression

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhr-time%2Fbasic.any.html

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/hr-time/basic.any-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/hr-time/basic.any-actual.txt
@@ -2,5 +2,5 @@
 PASS self.performance.now() is a function that returns a number 
 PASS self.performance.now() returns a positive number 
 PASS self.performance.now() difference is not negative 
-PASS High resolution time has approximately the right relative magnitude 
+FAIL High resolution time has approximately the right relative magnitude assert_approx_equals: High resolution time value increased by approximately the same amount as time from date object expected 2053 +/- 30 but got 2002.0000000000002
Comment 1 Radar WebKit Bug Importer 2020-01-28 14:40:21 PST 
<rdar://problem/58970167>
Comment 2 Jacob Uphoff 2020-02-05 07:58:01 PST 
Created attachment 389807 [details]
Update Test Expectations
Comment 3 Truitt Savell 2020-02-05 07:59:30 PST 
Comment on attachment 389807 [details]
Update Test Expectations

Clearing flags on attachment: 389807

Committed r255812: <https://trac.webkit.org/changeset/255812>