Using a proxy with webdriver to intercept requests

[umaar]

With third party widgets which can delay page load times, it can be useful to intercept such requests and immediately return a 200. Provide an example on how to do so.

• https://github.com/greim/hoxy/
• https://github.com/No9/harmon
• http://www.catonmat.net/http-proxy-in-nodejs/
• https://engineering.groupon.com/2013/misc/black-hole-proxy-for-selenium-testing/

[umaar]

Need to ensure an ephemeral port is chosen.