text: var sinon = require('sinon'),
    chai = require('chai');
  /**
   *
   * @type {Function}
   */
  global.expect = chai.expect;
  
  beforeEach(function() {
    global.sinon = sinon.sandbox.create();
  });
  
  afterEach(function() {
    global.sinon.restore();
  });
  