testing pre-release

Hello all,

I read today on this site Testing Team - openSUSE
about the idea of a web application that organizes the test cases and everyone who wants to participate could pick up a test and run it.

My question is: Does this application exists? Or this is an idea for future releases?

And another one: is there a general tutorial for how to debug various application on Linux? (I want something more for a user perspective not for a developer)

Thanks