prefers-color-scheme-svg-image-ref.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Test Reference</title>
<style>
  .background {
    width: 32px;
    height: 32px;
  }
</style>
<div style="color-scheme: light">
  <img src="resources/prefers-color-scheme-light.svg">
  <div class="background" style="background-image: url(resources/prefers-color-scheme-light.svg)"></div>
</div>
<div style="color-scheme: dark">
  <img src="resources/prefers-color-scheme-dark.svg">
  <div class="background" style="background-image: url(resources/prefers-color-scheme-dark.svg)"></div>
</div>

chromium/third_party/blink/web_tests/external/wpt/css/mediaqueries/prefers-color-scheme-svg-image-ref.html