Fix wekan cert test

test/pytest/test_certs.py

@@ -100,6 +100,7 @@ def test_cert_validation(host, resource): # pylint: disable=too-many-statements
         'prometheus': 'prometheus',
         'rocketchat': 'chat',
         'single-sign-on': 'sso',
+        'wekan': 'wekan',
         'wordpress': 'www'
     }