referrer-policy-attribute-img-picture.html

<!DOCTYPE html>
<html>
<body>
    <picture>
        <source srcset="resources/abe.png" media="(false)">
        <img src="resources/green-if-no-referrer.php"
             referrerpolicy="no-referrer" />
    </picture>

    <picture>
        <source srcset="resources/green-if-no-referrer.php" type="image/png">
        <img src="resources/abe.png"
             referrerpolicy="no-referrer" />
    </picture>
</body>
</html>

chromium/third_party/blink/web_tests/http/tests/security/referrer-policy-attribute-img-picture.html