My app is using HTML5 cache manifest file and caches several js/css/html files on the client side. We are having problems with Poltergeist testing - same tests run with Selenium pass. With Poltergeist the first test passes (the files are not yet cached) but the second and all the rest fail, the page is blank as if the cache is not working. I tried to enable the My app is using HTML5 cache manifest file and c