Bug 221009

Summary: [ Mac wk1 ] fast/harness/render-tree-as-text-options.html is flaky failing in WK1
Product: WebKit Reporter: Truitt Savell <tsavell>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ap, ryanhaddad, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Truitt Savell 2021-01-26 13:37:56 PST
fast/harness/render-tree-as-text-options.html

is a flaky failure on Mac

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fharness%2Frender-tree-as-text-options.html

Diff:
--- /Volumes/Data/slave/bigsur-release-tests-wk1/build/layout-test-results/fast/harness/render-tree-as-text-options-expected.txt
+++ /Volumes/Data/slave/bigsur-release-tests-wk1/build/layout-test-results/fast/harness/render-tree-as-text-options-actual.txt
@@ -1,11 +1,11 @@
-layer at (0,0) size 800x600 (composited, bounds=at (0,0) size 800x600, drawsContent=0, paints into ancestor=0)
+layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
  positive z-order list (1)
-  layer at (0,0) size 800x516 layerType: background only (composited, bounds=at (0,0) size 800x600, drawsContent=1, paints into ancestor=0)
+  layer at (0,0) size 800x516 layerType: background only
    negative z-order list (1)
-    layer at (8,258) size 102x52 (composited, bounds=at (0,0) size 102x52, drawsContent=1, paints into ancestor=0)
+    layer at (8,258) size 102x52
       RenderBlock (positioned) zI: -1 {DIV} at (8,258) size 102x52 [border: (1px solid #000000)]
-  layer at (0,0) size 800x516 layerType: foreground only (composited, bounds=at (0,0) size 800x600, drawsContent=1, paints into ancestor=0)
+  layer at (0,0) size 800x516 layerType: foreground only
     RenderBlock {HTML} at (0,0) size 800x516
       RenderBody {BODY} at (8,8) size 784x500
         RenderBlock {DIV} at (0,0) size 200x250 (layout overflow 0,0 200x400)
Comment 1 Radar WebKit Bug Importer 2021-01-26 13:38:59 PST
<rdar://problem/73630810>
Comment 2 Simon Fraser (smfr) 2021-01-26 13:47:33 PST
Only flakey in WK1, right?
Comment 3 Truitt Savell 2021-01-26 14:00:19 PST
Yes just confirmed it is only flaky in wk1. 
I am also unable to reproduce this locally at the moment.
Comment 4 Truitt Savell 2021-01-26 14:20:13 PST
Marked this as flaky in https://trac.webkit.org/changeset/271905/webkit while it is investigated.
Comment 5 Alexey Proskuryakov 2021-01-27 14:48:34 PST
With a harness test failing, seems like real tests would be meaningless?