calling test helper using chain using `next` method within helper

alt-main.js

var wd;
try {
  wd = require('wd');
} catch( err ) { 
  wd = require('../lib/main');
}
var assert = require('assert');

var test = require('./test');

var browser = wd.remote();

browser.on('status', function(info){
  console.log('\x1b[36m%s\x1b[0m', info);
});

browser.on('command', function(meth, path, data){
  console.log(' > \x1b[33m%s\x1b[0m: %s', meth, path, data || '');
});

browser.chain()
  .init({
      browserName:'chrome'
      , tags : ["examples"]
      , name: "This is an example test"
  })
  .get("http://admc.io/wd/test-pages/guinea-pig.html", function (err) {
    if(err) throw err;
    test(browser, assert);
  })
  .quit(); 

main.js

var wd;
try {
  wd = require('wd');
} catch( err ) { 
  wd = require('../lib/main');
}
var assert = require('assert');

var test = require('./test');

var browser = wd.remote();

browser.noop = function (cb) {
  cb(null);
};

browser.on('status', function(info){
  console.log('\x1b[36m%s\x1b[0m', info);
});

browser.on('command', function(meth, path, data){
  console.log(' > \x1b[33m%s\x1b[0m: %s', meth, path, data || '');
});

browser.chain()
  .init({
      browserName:'chrome'
      , tags : ["examples"]
      , name: "This is an example test"
  })
  .get("http://admc.io/wd/test-pages/guinea-pig.html", function (err) {
    if(err) throw err;
  })
  .noop(function (err) {
    if(err) throw err;
    test(browser, assert);
  })
  .quit(); 

test.js

module.exports = function(browser, assert) {
  browser
    .next( 'elementById' , 'i am a link', function(error, element) {
      if (error) throw error;

      browser.next( 'moveTo',element, function() {
        if (error) throw error;
      });
    });
};