Added node-modules

node_modules/express/test.js

@@ -0,0 +1,17 @@
+var http = require('http');
+var express = require('express');
+
+var app = express();
+var sub = express();
+
+app.use('/', function (req, res, next) {
+  next(new Error('something broke'));
+});
+
+sub.use(function (err, req, res, next) {
+  res.send('error handled');
+});
+
+app.use(sub);
+
+http.createServer(app).listen(4000);