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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>198810</bug_id>
          
          <creation_ts>2019-06-12 15:07:27 -0700</creation_ts>
          <short_desc>Layout Test http/wpt/webauthn/public-key-credential-create-failure-u2f-silent.https.html is flaky</short_desc>
          <delta_ts>2019-09-09 12:16:24 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Tools / Tests</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="Russell Epstein">repstein</reporter>
          <assigned_to name="Jiewen Tan">jiewen_tan</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>dewei_zhu</cc>
    
    <cc>jiewen_tan</cc>
    
    <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>1544252</commentid>
    <comment_count>0</comment_count>
    <who name="Russell Epstein">repstein</who>
    <bug_when>2019-06-12 15:07:27 -0700</bug_when>
    <thetext>The following layout test is flaky on Mac Debug WK2

http/wpt/webauthn/public-key-credential-create-failure-u2f-silent.https.html

Probable cause:

I believe this test has been failing since it was introduced.

I reproduced this by:

run-webkit-tests --iter 1000 http/wpt/webauthn/public-key-credential-create-failure-u2f-silent.https.html -f

Using spade 245262, where the test was introduced.

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Fwpt%2Fwebauthn%2Fpublic-key-credential-create-failure-u2f-silent.https.html

Diff:

--- /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/http/wpt/webauthn/public-key-credential-create-failure-u2f-silent.https-expected.txt
+++ /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/http/wpt/webauthn/public-key-credential-create-failure-u2f-silent.https-actual.txt
@@ -3,7 +3,7 @@
 PASS PublicKeyCredential&apos;s [[create]] with malformed U2F register response in a mock hid authenticator. 
 PASS PublicKeyCredential&apos;s [[create]] with register command error in a mock hid authenticator. 
 PASS PublicKeyCredential&apos;s [[create]] with bogus command error in a mock hid authenticator. 
-PASS PublicKeyCredential&apos;s [[create]] with first exclude credential matched in a mock hid authenticator. 
+FAIL PublicKeyCredential&apos;s [[create]] with first exclude credential matched in a mock hid authenticator. assert_throws: At least one credential matches an entry of the excludeCredentials list in the authenticator. function &quot;function () { throw e }&quot; threw object &quot;NotAllowedError: Operation timed out.&quot; that is not a DOMException InvalidStateError: property &quot;code&quot; is equal to 0, expected 11
 PASS PublicKeyCredential&apos;s [[create]] with second exclude credential matched in a mock hid authenticator. 
 PASS PublicKeyCredential&apos;s [[create]] with first exclude credential matched in a mock hid authenticator. Test of user presence.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1544254</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-06-12 15:09:38 -0700</bug_when>
    <thetext>&lt;rdar://problem/51684767&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568821</commentid>
    <comment_count>2</comment_count>
      <attachid>378270</attachid>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-06 20:40:14 -0700</bug_when>
    <thetext>Created attachment 378270
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1568949</commentid>
    <comment_count>3</comment_count>
    <who name="">dewei_zhu</who>
    <bug_when>2019-09-07 18:21:17 -0700</bug_when>
    <thetext>rs=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569186</commentid>
    <comment_count>4</comment_count>
      <attachid>378270</attachid>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-09 10:44:10 -0700</bug_when>
    <thetext>Comment on attachment 378270
Patch

Thanks, Dewei.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569235</commentid>
    <comment_count>5</comment_count>
      <attachid>378270</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-09 12:16:22 -0700</bug_when>
    <thetext>Comment on attachment 378270
Patch

Clearing flags on attachment: 378270

Committed r249656: &lt;https://trac.webkit.org/changeset/249656&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569236</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-09 12:16:24 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>378270</attachid>
            <date>2019-09-06 20:40:14 -0700</date>
            <delta_ts>2019-09-09 12:16:22 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-198810-20190906204013.patch</filename>
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            <attacher name="Jiewen Tan">jiewen_tan</attacher>
            
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