chromium/third_party/blink/web_tests/svg/animations/animateMotion_changingPath-expected.html

<!DOCTYPE html>
<style>
#track {
  stroke: blue;
}
</style>
<svg width="200" height="200">

  <path id="track" d="M20,100 H180"/>

  <circle r="10" cx="100" cy="180" fill="green"/>
</svg>