<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>305502</bug_id>
          
          <creation_ts>2026-01-14 13:34:11 -0800</creation_ts>
          <short_desc>[WPE][GTK] Layout test fullscreen/fullscreen-enter-bottom-padding-animation.html is flaky failure</short_desc>
          <delta_ts>2026-01-14 15:23:18 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WPE WebKit</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=305514</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Carlos Alberto Lopez Perez">clopez</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>bugs-noreply</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2171924</commentid>
    <comment_count>0</comment_count>
    <who name="Carlos Alberto Lopez Perez">clopez</who>
    <bug_when>2026-01-14 13:34:11 -0800</bug_when>
    <thetext>Layout test fullscreen/fullscreen-enter-bottom-padding-animation.html is failing flakely in the GTK and WPE ports.

it has been like that since one year ago. It started to be a flaky failure around 289515@main

This is the diff when it fails: https://build.webkit.org/results/WPE-Linux-64-bit-Release-Tests/305586@main%20(24590)/fullscreen/fullscreen-enter-bottom-padding-animation-pretty-diff.html

Flaky report for GTK and WPE:


The bot gtk-release completed 951 runs on the interval [301580@main-305580@main]
Frecuency of results for test: fullscreen/fullscreen-enter-bottom-padding-animation.html
  459 times [48.3%]      -&gt;  NOERROR
  281 times [29.5%]      -&gt;  TEXT PASS
  211 times [22.2%]      -&gt;  TEXT

Of those 951 runs it didn&apos;t match the expectation 492 times [51.7%]
Details of the type and frequency of unmatched expectations:
  281 times [29.5%]      -&gt;  TEXT PASS (Expected: PASS)
  211 times [22.2%]      -&gt;  TEXT (Expected: PASS)

Flakiness factor: 67.6%
    - This test was flaky on 67.6% of the 951 runs analyzed, either giving different
      results within a single run, or a different result than in the previous run.



The bot wpe-release completed 1026 runs on the interval [301591@main-305586@main]
Frecuency of results for test: fullscreen/fullscreen-enter-bottom-padding-animation.html
  500 times [48.7%]      -&gt;  TEXT
  363 times [35.4%]      -&gt;  NOERROR
  163 times [15.9%]      -&gt;  TEXT PASS

Of those 1026 runs it didn&apos;t match the expectation 663 times [64.6%]
Details of the type and frequency of unmatched expectations:
  500 times [48.7%]      -&gt;  TEXT (Expected: PASS)
  163 times [15.9%]      -&gt;  TEXT PASS (Expected: PASS)

Flakiness factor: 58.2%
    - This test was flaky on 58.2% of the 1026 runs analyzed, either giving different
      results within a single run, or a different result than in the previous run.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2171980</commentid>
    <comment_count>1</comment_count>
    <who name="Carlos Alberto Lopez Perez">clopez</who>
    <bug_when>2026-01-14 15:23:18 -0800</bug_when>
    <thetext>Expectations updated at 305610@main</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>