Harness status: Error

Test named 'test with 3 user-defined cleanup functions' specified 3 'cleanup' functions, and 1 failed.

Error
    at https://www1.wpt.live/resources/test/tests/functional/add_cleanup_count.html:15:38
    at https://www1.wpt.live/resources/testharness.js:3023:34
    at forEach (https://www1.wpt.live/resources/testharness.js:4659:26)
    at Test.cleanup (https://www1.wpt.live/resources/testharness.js:3018:9)
    at Test.done (https://www1.wpt.live/resources/testharness.js:2982:14)
    at https://www1.wpt.live/resources/testharness.js:768:30