What is autotest?
Autotest is "a framework for automated testing". It gives us a way to run automated tests and collect results. For more information, see their wiki: http://autotest.kernel.org/
How is it used in Fedora?
We're currently using it as the test harness for AutoQA. It handles the dirty work of getting code onto test machines, running it, and holding all the results.
How do I write a test for autotest?
Start by writing some test code in whatever language(s) you feel comfortable with. Don't even worry about autotest or AutoQA until you have a functioning test. Once you do, see Writing AutoQA Tests for more info.
How do I set up my own autotest server?
Docs in progress - see this trac ticket