   jasmine.createSpyObj('button_builder', ['buildButton']);
 
 jqueryAppendableElementMock = ->
-  jasmine.createSpyObj('jquery_element', ['append']) 
+  jasmine.createSpyObj('jquery_element', ['append'])
 
 logicMock = ->
   jasmine.createSpyObj('logic_controller_mock', ['addPart', 'calculate', 'msg']);

    it "handles square roots", ->
      @handle.press_buttons("1 negative squareroot")
      @handle.assertError()

    it "handles division by zero", ->

  it "continues after an error has occurred", ->


  output: ->
    @element.find("figure.calculator-display")

  output_content: ->
    @output().text()

