May be we could use method annotation to carry this kind of behavior.
Lukas started to do something in that direction.

> Well, really, what I'm looking for is something that instead of  
> saying "all tests are green, everything is fine" says "all the  
> tests we ran were green, but there were various that were *not* run  
> so YMMV". I think what I'm really looking for is something that  
> instead of saying "x tests, y passed" either says "x tests, y  
> passed, z skipped" or simply doesn't include the "skipped" ones in  
> the number of tests being run. In either case, looking at something  
> that says "19 tests, 0 passed, 19 skipped" or simply "0 tests, 0  
> passed" is vastly more explicit than "19 tests, 19 passed" where in  
> reality 0 were run.
>
> Like, what if a test which doesn't have any assertion is simply not  
> counted? Doesn't make sense to begin with, and then all the  
> preconditions need to do is to bail out and the test doesn't count...
>
> In any case, my complaint here is more about the *perception* of  
> "these tests are all green, everything must be fine" when in fact,  
> none of them have tested anything.

For that I would extend SUnit because this idea of skipped tests is  
nice to have.