chromium/third_party/blink/web_tests/external/wpt/svg/text/reftests/no-background.svg

<?xml version="1.0" encoding="utf-8"?>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:html="http://www.w3.org/1999/xhtml">
  <g id="testmeta">
    <title>Background properties should not be supported in &lt;text></title>
    <html:link rel="help"
          href="https://svgwg.org/svg2-draft/text.html#TextPropertiesAdaptions" />
    <html:link rel="match"  href="no-background-ref.svg" />
  </g>

  <text font-size="32" y="50" style="background-color: red;">
  foo<tspan style="background-color: lime;">bar</tspan>baz
  </text>
</svg>