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

<!DOCTYPE html>
<html>
<head>
</head>
<body>
    <img src="http://localhost:8000/security/resources/green-if-referrer-is-full-url.php"
         referrerpolicy="unsafe-url" />
</body>
</html