text: jest.unmock('../src/plank');
  
  import React from 'react';
  import ReactDOM from 'react-dom';
  import TestUtils from 'react-addons-test-utils';
  import Planks from '../src/plank';
  
  describe('Plank', () => {
      it('is initially hidden');
      it('sends its dimensions to the planks container');
      it('will fire a special callback if it\'s the last element');
  });
  