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<!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>306549</bug_id>
          
          <creation_ts>2026-01-29 10:42:07 -0800</creation_ts>
          <short_desc>REGRESSION (306410@main): [ macOS ] 2 webkitpy tests are a consistent failure</short_desc>
          <delta_ts>2026-01-29 11:05:20 -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>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Karl Rackler">rackler</reporter>
          <assigned_to name="Kimmo Kinnunen">kkinnunen</assigned_to>
          <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2176255</commentid>
    <comment_count>0</comment_count>
    <who name="Karl Rackler">rackler</who>
    <bug_when>2026-01-29 10:42:07 -0800</bug_when>
    <thetext>Description:
webkit.messages_unittest.GeneratedFileContentsTest.test_message_names
webkit.messages_unittest.GeneratedFileContentsTest.test_message_argument_description

This issue can be bisected to 306410@main using the command: 
Tools/Scripts/test-webkitpy --verbose

History:
https://results.webkit.org/suites?suite=webkitpy-tests

Test Run: 
https://build.webkit.org/#/builders/1227/builds/6659

[20/2795] webkit.messages_unittest.GeneratedFileContentsTest.test_message_names failed:  Traceback (most recent call last):    File &quot;/Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/build/Source/WebKit/Scripts/webkit/messages_unittest.py&quot;, line 125, in test_message_names      self.assertGeneratedFileContentsEqual(header_contents, os.path.join(tests_directory, &apos;MessageNames.h&apos;))    File &quot;/Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/build/Source/WebKit/Scripts/webkit/messages_unittest.py&quot;, line 106, in assertGeneratedFileContentsEqual      self.assertEqual(actual_line, expected_line_list[index])  AssertionError: &apos;    , TestWithSwift = 20&apos; != &apos;    , TestWithValidator = 20&apos;  -     , TestWithSwift = 20  ?               ^^ ^  +     , TestWithValidator = 20  ?               ^^^ ^^ ++

[23/2795] webkit.messages_unittest.GeneratedFileContentsTest.test_message_argument_description failed:  Traceback (most recent call last):    File &quot;/Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/build/Source/WebKit/Scripts/webkit/messages_unittest.py&quot;, line 132, in test_message_argument_description      self.assertGeneratedFileContentsEqual(implementation_contents, os.path.join(tests_directory, &apos;MessageArgumentDescriptions.cpp&apos;))    File &quot;/Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/build/Source/WebKit/Scripts/webkit/messages_unittest.py&quot;, line 106, in assertGeneratedFileContentsEqual      self.assertEqual(actual_line, expected_line_list[index])  AssertionError: &apos;    case MessageName::TestWithSwift_TestAsyncMessage:&apos; != &apos;    case MessageName::TestWithValidator_AlwaysEnabled:&apos;  -     case MessageName::TestWithSwift_TestAsyncMessage:  +     case MessageName::TestWithValidator_AlwaysEnabled:</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2176256</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2026-01-29 10:42:14 -0800</bug_when>
    <thetext>&lt;rdar://problem/169196651&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2176272</commentid>
    <comment_count>2</comment_count>
    <who name="Kimmo Kinnunen">kkinnunen</who>
    <bug_when>2026-01-29 11:02:58 -0800</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/57498</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2176273</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-01-29 11:05:18 -0800</bug_when>
    <thetext>Committed 306430@main (286a6047f90e): &lt;https://commits.webkit.org/306430@main&gt;

Reviewed commits have been landed. Closing PR #57498 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>