   mediador = new Mediador
   mediador.on "event", ->
       assert @ is scope
-      scope.callback = true 
+      scope.callback = true
     , scope
 
   # when


spec "Subscribes a listener set", ->
  # given
  set = 
    action: (arg)->
      set.action.called   = true
      set.action.arg      = arg


spec "Doesn't hangs if the listener does not exist"

spec.go()
