chromium/third_party/blink/web_tests/http/tests/inspector-protocol/prerender/resources/bad-http-prerender-with-target-hint.html

<!DOCTYPE html>
<html>
<head>
<script type="speculationrules">
{
  "prerender":[
    {"source": "list",
      "urls": ["/echo?status=204"],
      "target_hint": "_blank"}
  ]
}
</script>
<title>Prerender Test</title>
</head>
</html>