Selenium and BrowserMobProxy: more fun together

There are some features that hardly will be implemented in Selenium. For example downloading files from the server, authorization, checking HTTP response codes. We are not going to add them to Selenium because there is a better way to impletent them — a proxy server that cooperates with Selenium. The most popular one is BrowserMobProxy. I’ll tell you how to use Selenium and BrowserMobProxy together to implement abovementioned features.