test.js

test.js

var request = require('supertest')
  , express = require('express');

var app = express();

app.get('/user', function(req, res){
  var name = '';
  setTimeout(function() {
    name = 'tobi';
  }, 500);
  setTimeout(function() {
    res.send(200, { name: name });
  }, 700);
});

describe('GET /users', function(){
  it('respond with json', function(done){
    request(app)
      .get('/user')
      .expect(200)
      .end(function(err, res){
        done();
      });
  })
})