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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Add more platform-independent accessibility tests for MathML"
   href="https://bugs.webkit.org/show_bug.cgi?id=159208">159208</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Add more platform-independent accessibility tests for MathML
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>Accessibility
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>fred.wang&#64;free.fr
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>webkit-bug-importer&#64;group.apple.com
          </td>
        </tr>

        <tr>
          <th>Depends on</th>
          <td>124836, 139582
          </td>
        </tr></table>
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        <div>
        <pre>After <a class="bz_bug_link 
          bz_status_ASSIGNED "
   title="ASSIGNED - AX: Add accessibility tests for MathML operators"
   href="show_bug.cgi?id=124836">bug 124836</a> and <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - AX: Anonymous RenderMathMLOperators are not exposed to the accessibility tree"
   href="show_bug.cgi?id=139582">bug 139582</a>, we have platform-independent tests for token elements, multiscripts, mfenced and foreign content:

fred&#64;debian:~/webkit/WebKit$ ls LayoutTests/accessibility/math*
LayoutTests/accessibility/math-fenced.html
LayoutTests/accessibility/math-foreign-content.html
LayoutTests/accessibility/math-mo-fences-and-separators.html
LayoutTests/accessibility/math-multiscript-attributes-expected.txt
LayoutTests/accessibility/math-multiscript-attributes.html
LayoutTests/accessibility/math-text.html

I'm not sure how many MathML elements we support in ATK but we could definitely add more tests, probably importing those from mac:

fred&#64;debian:~/webkit/WebKit$ ls LayoutTests/accessibility/mac/math*
LayoutTests/accessibility/mac/math-alttext-expected.txt
LayoutTests/accessibility/mac/math-alttext.html
LayoutTests/accessibility/mac/mathml-elements-expected.txt
LayoutTests/accessibility/mac/mathml-elements.html
LayoutTests/accessibility/mac/mathml-line-fraction-expected.txt
LayoutTests/accessibility/mac/mathml-line-fraction.html
LayoutTests/accessibility/mac/mathml-multiscript-expected.txt
LayoutTests/accessibility/mac/mathml-multiscript.html
LayoutTests/accessibility/mac/mathml-root-expected.txt
LayoutTests/accessibility/mac/mathml-root.html</pre>
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