error

) Wordlist .getNouns should call a callback with the response:
     Error: done() called multiple times
      at multiple (/Users/austinbv/Dropbox/Documents/Sites/poet_app/node_modules/mocha/lib/runnable.js:152:31)
      at done (/Users/austinbv/Dropbox/Documents/Sites/poet_app/node_modules/mocha/lib/runnable.js:158:26)
      at Runnable.run.duration (/Users/austinbv/Dropbox/Documents/Sites/poet_app/node_modules/mocha/lib/runnable.js:174:9)
      at expect.have.been.calledWith.id (/Users/austinbv/Dropbox/Documents/Sites/poet_app/test/word_spec.coffee:44:11)
      at Word.getNouns (/Users/austinbv/Dropbox/Documents/Sites/poet_app/models/word.coffee:34:18)
      at process.startup.processNextTick.process._tickCallback (node.js:244:9)

  2) Wordlist .getNouns should call a callback with the response:
     Error: done() called multiple times
      at multiple (/Users/austinbv/Dropbox/Documents/Sites/poet_app/node_modules/mocha/lib/runnable.js:152:31)
      at done (/Users/austinbv/Dropbox/Documents/Sites/poet_app/node_modules/mocha/lib/runnable.js:158:26)
      at Runnable.run.duration (/Users/austinbv/Dropbox/Documents/Sites/poet_app/node_modules/mocha/lib/runnable.js:174:9)
      at expect.have.been.calledWith.id (/Users/austinbv/Dropbox/Documents/Sites/poet_app/test/word_spec.coffee:44:11)
      at Word.getNouns (/Users/austinbv/Dropbox/Documents/Sites/poet_app/models/word.coffee:34:18)
      at process.startup.processNextTick.process._tickCallback (node.js:244:9)

getNouns.coffee

  @getNouns: (callback) ->
    @_wordnik.randomWords(
      includePartOfSpeech: 'noun',
      (e, result) ->
        throw new Error('Wordnik Failed') if e
        process.nextTick ->
          callback(result)
    )

test.coffee

    it 'should call a callback with the response', (done) ->
      sinon.stub(Word._wordnik, 'randomWords').yields(null, [
                              {id: 1234, word: "hello"},
                              {id: 2345, word: "foo"},
                              {id: 3456, word: "goodbye"}
                            ]
                          )
 
      spy = sinon.spy()

      Word.getNouns (result) -> spy(result); done(); null

      expect(spy).have.been.calledWith [
        {id: 1234, word: "hello"},
        {id: 2345, word: "foo"},
        {id: 3456, word: "goodbye"}
      ]