chromium/third_party/blink/web_tests/http/tests/origin_trials/third-party-injected-override-builtins-appendchild-workaround.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>
  Test that trial is enabled by third-party token, injected via a classic script with a workaround
  for the appendChild function being overridden by another script
</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="resources/origintrials.js"></script>
<script src="resources/override-builtins.php?apply=appendchild"></script>
<script src="http://localhost:8000/origin_trials/resources/inject-third-party-token-appendchild-workaround.js"></script>
<script>
  // The trial is enabled, by the third party token added in
  // inject-third-party-token.js, which is an external classic script, served
  // from a different origin.
  expect_success_third_party();
</script>