webadmin: fix broken unit tests

- Fixed broken unit tests caused by the clean token
  on error patch (b9143f69efd4da2c48c9cfcd3a07b6fbdf736f08).

Change-Id: Idb993b8b5f96e1ea99dd91982dd87921d94b445b
Signed-off-by: Alexander Wels <awels@redhat.com>