text: require('colors');
  var chai = require("chai");
  var chaiAsPromised = require("chai-as-promised");
  chai.use(chaiAsPromised);
  chai.should();
  
  var wd;
  try {
    wd = require('wd');
  } catch( err ) {
    wd = require('../../lib/main');
  }
  
  // enables chai assertion chaining
  chaiAsPromised.transferPromiseness = wd.transferPromiseness;
  
  wd.addAsyncMethod(
    'elementByCssSelectorWhenReady',
    function(selector, timeout/*, cb*/) {
      // 'wd.findCallback' is a small helper which looks for the callback in a safe way, and avoids
      // hanging when the number of arguments passed is wrong.
      // There is also a 'wd.varargs' for methods with variable argument number.
      var cb = wd.findCallback(arguments);
  
      var _this = this;
      this.waitForElementByCssSelector(selector, timeout, function() {
        _this.elementByCssSelector(selector, cb);
      });
    }
  );
  
  var browser = wd.promiseChainRemote();
  
  // optional extra logging
  browser.on('status', function(info) {
    console.log(info.cyan);
  });
  browser.on('command', function(eventType, command, response) {
    console.log(' > ' + eventType.cyan, command, (response || '').grey);
  });
  browser.on('http', function(meth, path, data) {
    console.log(' > ' + meth.magenta, path, (data || '').grey);
  });
  
  browser
    .init({browserName:'chrome'})
    .get("http://admc.io/wd/test-pages/guinea-pig.html")
    .title()
    .should.become('WD Tests')
    .elementByCssSelector('#comments').getTagName().should.become('textarea')
    .elementByCssSelectorWhenReady('#comments', 2000)
    //   .should.eventually.exist
    // .elementByCssSelectorWhenReady('#comments', 2000)
    //   .type('Bonjour!').getValue().should.become('Bonjour!')
    .fin(function() { return browser.quit(); })
    .done();
  