text: const expect = require('chai').expect;
  const md5sum = require('../../lib/md5sum');
  
  describe('MD5Sum', () => {
    it('return correct md5 hash for link', () => {
      const feedItem = {
        link: 'http://www.bbc.co.uk/news/world-middle-east-36438333',
        title: 'Hidden forces',
      };
  
      const md5Digest = md5sum.digest(feedItem.link);
      expect(md5Digest).to.equal('35676f6751e2b9fae10b475a2ae68486');
    });
  });
  