Harness status: Error

Unhandled rejection: add_virtual_authenticator() is not implemented by testdriver-vendor.js

Error: add_virtual_authenticator() is not implemented by testdriver-vendor.js
    at Object.add_virtual_authenticator (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testdriver.js:1648:19)
    at Object.add_virtual_authenticator (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testdriver.js:802:48)
    at standardSetup (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/webauthn/helpers.js:589:22)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/webauthn/createcredential-minpinlength.https.html:12:1