Do not invoke done in test setup

test/setup.js

@@ -3,13 +3,13 @@ process.env.NODE_ENV = 'test';
 global.should = require('should');
 global.supertest = require('supertest');
 
-before(function(done) {
+before(function() {
   console.log('global setup');
   process.chdir('test_data');
   var running = require('../src/server')({
     config: 'config.json',
     port: 8888
-  }, done);
+  });
   global.app = running.app;
   global.server = running.server;
 });