test cases ordering

[Kamil Paral]

> > If we ever get lots and lots of optional test cases it may be worth
> > making sure they're all at the bottom of the tables or separating
> > them
> > out some other way, but for now there's only a few.
> 
> When talking about it, I wondered several times if there is any
> particular order in these test cases (except for Test Area column):
> https://fedoraproject.org/wiki/QA:Fedora_18_Install_Results_Template#General_Tests
> 
> If nobody minds, I'd like to re-shuffle them:
> 1. first ordering key is Test Area
> 2. second ordering key is Release Level
> 3. if there are no Alpha test cases for a specific Test Area, then we
> put the whole Test Area below Test Areas that contain some Alpha
> tests
> 4. same as above for Beta
> 5. empty Release Level test cases go last
> 
> So, the majority of test cases will stay in the same sequence as they
> are now, just e.g. "Memory Test" goes almost to the bottom, "Install
> Repository" goes below "Partitioning" (because there is no Alpha
> test case in Install Repository), and so on.
> 
> I know the test cases can be sorted manually. Still I think the
> default ordering should be better.

You know what happens if nobody replies, right? Stuff gets done!

I have changed the default test case ordering. Hopefully it's a bit better. It looks better to me.