async controller in rails with Thin, EventMachine, em-synchrony, em-http-request

asynctest_controller.rb

class AsynctestController < ApplicationController

	require "em-synchrony/em-http"
	
	def test

		EventMachine.synchrony do
		  http = EventMachine::HttpRequest.new("https://www.google.co.uk/").get

		  render :json => {result: http.response}

		  request.env['async.callback'].call(response)
		end
		throw :async

	end

	def test2

		EventMachine.synchrony do
		  http = EventMachine::HttpRequest.new("https://www.google.co.uk/").get

		  render :json => {result: http.response}

		  request.env['async.callback'].call(response)
		end
		throw :async
	end
end

gemfile

gem 'thin'
gem 'em-http-request'
gem 'em-synchrony'

page.js

$.get("/asynctest/test");
$.get("/asynctest/test2");