chromium/third_party/blink/web_tests/css3/blending/svg-isolation-nested-svg-no-isolation.html

<!DOCTYPE HTML>
<html>
    <body>
        <p>Nested svg should not isolate. The test passes if you see a lime square.</p>
        <!-- The "contain: paint" style is a workaround to avoid subpixel differences in the text above. -->
        <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="200px" height="200px" style="contain: paint;" >
            <rect x="0" y="0" width="200" height="200" style="fill: yellow"/>
            <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="200px" height="200px">
                <rect x="0" y="0" width="200" height="200" style="fill: red; mix-blend-mode: difference"/>
            </svg>
        </svg>
    </body>
</html>