chromium/third_party/blink/web_tests/paint/invalidation/svg/gradient-add-stops.svg

<svg xmlns='http://www.w3.org/2000/svg' xmlns:xlink="http://www.w3.org/1999/xlink" onload="runRepaintAndPixelTest()">>
  <script xlink:href="../resources/text-based-repaint.js"/>
  <defs>
    <linearGradient id='test'>
      <stop id='stop' offset='0' stop-color='red' />
    </linearGradient>
  </defs>
  <rect fill="url(#test)" width='100' height='100' />
  <script>
  <![CDATA[
      function repaintTest() {
        var gradient = document.getElementById("test");
        var stop = document.createElementNS('http://www.w3.org/2000/svg', 'stop');
        stop.setAttribute("offset", "0");
        stop.style.stopColor = 'green';
        gradient.appendChild(stop);
      }
  ]]>
  </script>
</svg>