PhantomJS 2 testing

testmess.js

var page = require('webpage').create(),
    system = require('system'),
    t, address;

page.onConsoleMessage = function(msg) {
  console.log(msg);
};

if (system.args.length === 1) {
    console.log('Usage: testmess.js <some URL>');
    phantom.exit(1);
} else {
    address = system.args[1];
    page.open(address, function (status) {
        if (status !== 'success') {
            console.log('FAIL to load the address');
        } else {
			// you really want this to be something that checks for a JSMESS benchmark to complete
	        window.setTimeout(function () {
	            phantom.exit();
	        }, 30000); // Change timeout as required to allow sufficient time 
        };
    });
};