chromium/third_party/blink/web_tests/external/wpt/css/css-masking/clip-path/clip-path-svg-text-backdrop-filter-ref.html

<!doctype html>
<meta name="flags" content="ahem">
<link rel="stylesheet" href="/fonts/ahem.css" />
<style>
#svgText {
  font: 100px/1 Ahem;
}
</style>
<svg width="500" height="300">
  <text id="svgText" x="10" y="100">Text</text>
</svg>