chromium/third_party/blink/web_tests/svg/animations/animate-to-low-prio-frozen.html

<!DOCTYPE html>
<script src="../../resources/js-test.js"></script>
<svg width="200" height="200" style="display: block">
  <rect width="0" height="100" fill="green">
    <animate attributeName="width" begin="0s; 1000s" to="200" dur="25ms" fill="freeze"/>
    <animate attributeName="width" begin="50ms" to="100" dur="500s" onbegin="runTest()"/>
  </rect>
</svg>
<script>
window.jsTestIsAsync = true;

var rectWidth;

function runTest() {
  rect = document.querySelector('rect');
  rectWidth = rect.width.animVal.valueInSpecifiedUnits;
  // Width expected to be 100 < x <= 200.
  shouldBeGreaterThan("rectWidth", "100");
  shouldBeGreaterThanOrEqual("200", "rectWidth");
  finishJSTest();
}
</script>