Inspect Network-Traffic in Capybara with Poltergeist

Ever tested a page with a lot of AJAX-Actions and encountered some strange bugs? If you are using Poltergeist there are good news. Poltergeist is a driver for Capybara that runs your tests in PhantomJS. Let’s say you have a page with a button which sends an AJAX-Request, but something didn’t work. If you are in the browser the first thing you’ll do is to open the DevTools and look for errors in th