<svg class="reftest-wait" onload="load()" xmlns="http://www.w3.org/2000/svg"
  xmlns:html="http://www.w3.org/1999/xhtml">
  <html:link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1717312"/>
  <html:script src="/common/reftest-wait.js"/>
  <html:script src="/common/rendering-utils.js"/>
  <html:link rel="match" href="../../embedded/reference/green-rect-100x100.svg"/>
  <rect id="r" width="100" height="50" fill="green">
    <animate attributeName="height" values="0" dur="20ms"/>
  </rect>
  <script>
    function load() {
      document.documentElement.setCurrentTime(1);
      document.getElementById("r").setAttribute("height", 100);
      waitForAtLeastOneFrame().then(takeScreenshot);
    }
  </script>
</svg>