chromium/third_party/blink/web_tests/svg/animations/no-attr-lineargradient-x1.svg

<svg xmlns="http://www.w3.org/2000/svg">
  <linearGradient id="gradient">
    <stop stop-color="#ff0000" offset="0.5"/>
    <stop stop-color="#008000" offset="0.5"/>
    <set attributeName="x1" to="-100%" fill="freeze"/>
  </linearGradient>
  <rect width="100" height="100" fill="#ff0000"/>
  <rect width="100" height="100" fill="url(#gradient)"/>
</svg>