chromium/third_party/blink/web_tests/external/wpt/fedcm/fedcm-nonce-is-optional.https.html

<!DOCTYPE html>
<title>Federated Credential Management API network request tests.</title>
<link rel="help" href="https://fedidcg.github.io/FedCM">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<script type="module">
import {request_options_with_mediation_required,
        fedcm_test,
        fedcm_get_and_select_first_account} from './support/fedcm-helper.sub.js';

fedcm_test(async t => {
  let test_options = request_options_with_mediation_required();
  assert_true("nonce" in test_options.identity.providers[0]);
  delete test_options.identity.providers[0].nonce;
  const cred = await fedcm_get_and_select_first_account(t, test_options);
  assert_equals(cred.token, "token");
}, "nonce is not required in FederatedIdentityProvider.");
</script>