chromium/third_party/blink/web_tests/svg/custom/textPath-change-id2.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="runTest()">
  <text x="50" y="50">PASS</text>
  <path id="foo" d="M150 50 L 450 50" />
  <text>
    <textPath id="theTP" xlink:href="#foo">FAIL</textPath>
  </text>
  <script><![CDATA[
    function runTest() {
      var path = document.getElementById("foo");
      path.setAttribute("id", "bar");
    }
  ]]></script>
</svg>