text: var request = require('supertest');
  
  describe('main controller test', function() {
    it('should show the home page', function(done) {
      request(app).
          get('/').
          expect('Content-Type', /html/).
          expect(200).
          end(function(err, res) {
            if (err) throw err;
            done();
          });
    });
  });
  