Go through the sources of the tests, main.pm and other files in the openqa_fedora repo, and add comments explaining what's happening where necessary.
Document all the perl-style code, or change it to be more explicit.
Document when to inherit from anacondalog vs. fedoralog. Maybe change the class-names to something more obvious.
Document the purpose of fedoradistribution, and which methods can be overridden this way.