   @testInvalidLayerEvents: ->
     try
       steroids.layers.on 'invalidEventName', (event) ->
-        alert "should never be invoked"
+        notification "should never be invoked"
     catch error
       alert "steroids.layers.on callend with an invalid event name! error: #{error}"
 

    @willChangeHandlers = []
    @didChangeHandlers = []

    alert "event handlers removed"

  @testRemovedidchangeEvents: ->
    steroids.layers.off 'didchange'

    alert "didchange events handlers removed"

  @testRemovewillchangeEvents: ->
    steroids.layers.off 'willchange'

    alert "willchange events handlers removed"



    @willChangeHandlers.push eventHandler

    notification "event listener added"

  @testdidchangeEvent: ->
    eventHandler = steroids.layers.on 'didchange', (event) ->
