test.js

var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
}).listen(1337, "0.0.0.0", function() {
  console.log("listening!");
  http.request({host: '127.0.0.1', port: 1337, path: '/'}, function(res) {
    console.log('STATUS: ' + res.statusCode);
    console.log('HEADERS: ' + JSON.stringify(res.headers));
    process.exit();
  }).end();
});