assert_equals("Referer: https://xn--n8j6ds53lwwkrqhv28a.wpt.live/xhr/open-referer.htm\n", "Referer: https://xn--n8j6ds53lwwkrqhv28a.wpt.live/xhr/open-referer.htm\n")
    at Test.<anonymous> ( /xhr/open-referer.htm:16:9)