standardize docs on how to use the 4 types of test base

From what I can tell

We should explain where they need to go for core lib tests too -- core should be documenting itself!

Still needs to be addressed.

We should explain where they need to go for core lib tests too -- core should be documenting itself!

Let's move that to a follow up issue so we can make this improvement.

I have convert to an MR and made a slight change to indicate this is for modules.

Opened 📌 Provide details of where core tests, not in core modules, should live. Active

nod_ → closed merge request !8855

Committed c70620d and pushed to 11.x. Thanks!

Automatically closed - issue fixed for 2 weeks with no activity.