[signal-current-user-details.https.html]
  [signalCurrentUserDetails fails with SecurityError for invalid RP IDs]
    expected: FAIL

  [signalCurrentUserDetails fails with TypeError for invalid userId base64url]
    expected: FAIL

  [signalCurrentUserDetails does not update a different user id]
    expected: FAIL

  [signalCurrentUserDetails updates a matching user id]
    expected: FAIL