Timo wrote: > Op 25-08-15 om 02:08 schreef Gonzalo V: >> how can simulate or emulate an error 504? > I think using a site like http://httpbin.org/ is a bit easier than mock > or your own server. > Just change your request url to: > http://httpbin.org/status/504 Yes, that's nice! Plus, it's written in Python, and if you want you can run it on your own server, too.