app.test.js

// Run $ expresso

/**
 * Module dependencies.
 */

var app = require('../app');

module.exports = {
    'GET /': function(assert){
        assert.response(app,
            { url: '/' },
            { status: 200, headers: { 'Content-Type': 'text/html; charset=utf-8' }},
            function(res){
                assert.includes(res.body, '<title>Express</title>');
            });
    }
};