         return
 
       'we got no error': (err, result) ->
-        assert.isNull err, tips
+        assert.isNull err
 
         assert.isTrue u.include result, 'config.public.coffee'
         assert.isTrue u.include result, 'sshfs-test.coffee'

        return

      'we got no error': (err, arg2) ->
        assert.isNull err, tips
  .addBatch
    'when umounting a server':
      topic: ->

        return

      'we got no error': (err, arg2) ->
        assert.isNull err
  .export(module)