▶ Unexpected subtest result in /html/browsers/browsing-the-web/navigating-across-documents/javascript-url-return-value-handling-dynamic.html:
  │ FAIL [expected PASS] Test javascript URL string return values in direct and indirect (target) frame contexts. 5
  │   → assert_equals: expected "A" but got ""
  │ FAIL [expected PASS] Test javascript URL string return values in direct and indirect (target) frame contexts. 6
  │   → assert_equals: expected "�ÿ" but got ""
  │ FAIL [expected PASS] Test javascript URL string return values in direct and indirect (target) frame contexts. 7
  │   → assert_equals: expected "�ÿĀ" but got ""
  │ FAIL [expected PASS] Test javascript URL string return values in direct and indirect (target) frame contexts. 8
  │   → assert_equals: expected "😍" but got ""
  │ 
  │ @http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-return-value-handling-dynamic.html:42:20
  │ Test.prototype.step_timeout/<@http://web-platform.test:8000/resources/testharness.js:2103:22
  │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2044:25
  └ Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:2069:35