chromium/third_party/blink/web_tests/external/wpt/content-security-policy/resource-hints/prefetch-allowed-no-default.html

<!DOCTYPE html>
<html>

  <head>
    <script src='/resources/testharness.js'></script>
    <script src='/resources/testharnessreport.js'></script>
    <script src='/common/utils.js'></script>
    <script src='/content-security-policy/support/testharness-helper.js'></script>
    <script src='/content-security-policy/support/prefetch-helper.js'></script>

    <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline'; img-src 'self'; connect-src 'self'; object-src 'self'; font-src 'self'; child-src 'self';">
    <script>
      promise_test(async t => {
        assert_true(await try_to_prefetch("/common/dummy.xml", t));
      }, 'Prefetch should succeed when there is no default-src');
    </script>
  </head>

  <body>
  </body>

</html>