Revamped testing guide

> Apologies for the nit-picking, just a thought :)

Nit picking is good!

Guides are also intended to provide guidance on best practices, which is why it's included. I'm not 100% sure it's 'best', but it's certainly common.

> Globs are also somewhat unstable from what I remember, 

They will be stable for 1.0, because people do things like this quite often :)