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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Clean up accessibility &amp; animations tests to stop calling testRunner.waitUntilDone() twice"
   href="https://bugs.webkit.org/show_bug.cgi?id=167598">167598</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Clean up accessibility &amp; animations tests to stop calling testRunner.waitUntilDone() twice
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>Safari 10
          </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>ap&#64;webkit.org, lforschler&#64;apple.com, ryanhaddad&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>Blocks</th>
          <td>156133
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The patch for <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - DumpRenderTree, WebKitTestRunner should be more strict about waitUntilDone()/notifyDone()"
   href="show_bug.cgi?id=156133">Bug 156133</a> shows that testRunner.waitUntilDone() is called multiple times when running some of the tests in LayoutTests/accessibility and LayoutTests/animations.

While calling waitUntilDone() twice in a row doesn't cause any issues in practice, it prevents the patch in <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - DumpRenderTree, WebKitTestRunner should be more strict about waitUntilDone()/notifyDone()"
   href="show_bug.cgi?id=156133">Bug 156133</a> from landing, which would enforce more correct test behavior (and hopefully prevent flaky tests from landing in the tree in the future).</pre>
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