<?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>173672</bug_id>
          
          <creation_ts>2017-06-21 15:31:53 -0700</creation_ts>
          <short_desc>Multiple Layout Tests from imported/w3c/web-platform-tests/fetch/http-cache/ are flaky.</short_desc>
          <delta_ts>2017-08-22 11:00:41 -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>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          
          <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="Matt Lewis">jlewis3</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>ryanhaddad</cc>
    
    <cc>youennf</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1321655</commentid>
    <comment_count>0</comment_count>
    <who name="Matt Lewis">jlewis3</who>
    <bug_when>2017-06-21 15:31:53 -0700</bug_when>
    <thetext>Multiple test from imported/w3c/web-platform-tests/fetch/http-cache/ are flaky:
  imported/w3c/web-platform-tests/fetch/http-cache/cc-request.html
  imported/w3c/web-platform-tests/fetch/http-cache/heuristic.html
  imported/w3c/web-platform-tests/fetch/http-cache/invalidate.html
  imported/w3c/web-platform-tests/fetch/http-cache/status.html

According to the Flakiness Dashboard, these 4 test have failed together consistently, particularly on Sierra WK2 Debug, recently.

imported/w3c/web-platform-tests/fetch/http-cache/invalidate.html can fail on its own, but the other test always fail together with imported/w3c/web-platform-tests/fetch/http-cache/invalidate.html.

https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r218641%20(1674)/results.html
https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK2%20(Tests)/builds/1674


diff for imported/w3c/web-platform-tests/fetch/http-cache/invalidate.html
--- /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/fetch/http-cache/invalidate-expected.txt
+++ /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/fetch/http-cache/invalidate-actual.txt
@@ -1,7 +1,7 @@
 
 PASS HTTP cache invalidates after a successful response from a POST 
-FAIL HTTP cache does not invalidate after a failed response from an unsafe request assert_less_than: Response used expected a number less than 3 but got 3
-PASS HTTP cache invalidates after a successful response from a PUT 
+PASS HTTP cache does not invalidate after a failed response from an unsafe request 
+FAIL HTTP cache invalidates after a successful response from a PUT assert_equals: Response used expected 3 but got 2
 PASS HTTP cache invalidates after a successful response from a DELETE 
 PASS HTTP cache invalidates after a successful response from an unknown method 
 FAIL HTTP cache invalidates Location URL after a successful response from a POST assert_equals: Response used expected 3 but got 1</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1341123</commentid>
    <comment_count>1</comment_count>
    <who name="Matt Lewis">jlewis3</who>
    <bug_when>2017-08-22 11:00:41 -0700</bug_when>
    <thetext>Marked imported/w3c/web-platform-tests/fetch/http-cache/invalidate.html as flaky on macOS WK2:
https://trac.webkit.org/changeset/221023/webkit</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>