       username: 'Bug'
       text: 'Hello!'
       icon_emoji: ':bomb:'
+    , undefined
 
   it 'slack.notes', ->
     slack.note('Hello!')

            { title: 'sha', value: '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12', short: false }
          ]
        }
      ]

      username: 'Foo'
      text: 'Hello!'
      icon_emoji: ':saxophone:'
    , undefined

  it 'slack.send with icon_url', ->
    slack.send
