old_contents: var auth = require('../helper/auth');
  
  module.exports = function(router) {
    router.get('/system', auth, function(req, res, next) {
      res.json({ status: "ok" });
    });
  }
  
new_contents: var auth = require('../helper/auth');
  
  module.exports = function(router) {
    router.get('/system', auth, function(req, res, next) {
      res.json({ status: "okay" });
    });
  }
  
subject: test again