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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - http/tests/contentextensions/character-set-basic-support.html is flaky on mac-wk2"
   href="https://bugs.webkit.org/show_bug.cgi?id=146400">146400</a>
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        </tr>

        <tr>
          <th>Summary</th>
          <td>http/tests/contentextensions/character-set-basic-support.html is flaky on mac-wk2
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>528+ (Nightly build)
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Tools / Tests
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ddkilzer&#64;webkit.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>achristensen&#64;apple.com, ap&#64;webkit.org
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        <pre>The http/tests/contentextensions/character-set-basic-support.html test is flaky on mac-wk2:

&lt;<a href="http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2Fcontentextensions%2Fcharacter-set-basic-support.html">http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2Fcontentextensions%2Fcharacter-set-basic-support.html</a>&gt;

It appears that the failures occur when either the first subtest gets the opposite of the expected result:

-URL: <a href="http://127.0.0.1:8000/resources/square100.png">http://127.0.0.1:8000/resources/square100.png</a> is not blocked.
-PASS isBlocked is false
+URL: <a href="http://127.0.0.1:8000/resources/square100.png">http://127.0.0.1:8000/resources/square100.png</a> is blocked.
+FAIL isBlocked should be false. Was true.

Or the last subtest result is simply missing:

 PASS isBlocked is true
-URL: <a href="http://127.0.0.1:8000/resources/square100.png?caseSeNsitive">http://127.0.0.1:8000/resources/square100.png?caseSeNsitive</a> is blocked.
-PASS isBlocked is true
 PASS successfullyParsed is true</pre>
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