text: 'use strict';
  
  const chai = require('chai'),
    expect = chai.expect,
    Support = require(__dirname + '/support'),
    Sequelize = Support.Sequelize,
    Promise = Sequelize.Promise,
    Bluebird = require('bluebird');
  
  describe('Promise', () => {
    it('should be an independent copy of bluebird library', () => {
      expect(Promise.prototype.then).to.be.a('function');
      expect(Promise).to.not.equal(Bluebird);
      expect(Promise.prototype).to.not.equal(Bluebird.prototype);
    });
  });
  