chromium/third_party/blink/web_tests/http/tests/security/contentSecurityPolicy/manifest-redirect-blocked-by-connect-src.html

<!DOCTYPE html>
<html>
<head>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <meta http-equiv="Content-Security-Policy" content="manifest-src 'self'; connect-src 'none'">
</head>
<body>
    <link rel="manifest" href="/security/resources/redir.php?url=http%3A%2F%2F127.0.0.1%3A8000%2Fsecurity%2FcontentSecurityPolicy%2Fmanifest.test%2Fmanifest.json">
    <script>
        if (window.testRunner) {
            var t = async_test("manifest redirects to location disallowed by connect-src");
            testRunner.getManifestThen(function() {
                t.done();
            });
        }
    </script>
</body>
</html>