Validation tests not yet run against Final

[Kamil Paral]

> > Also, it would be nice if we could trim down the number of "officially
> > supported" ISO->USB conversion methods. The combinatorial explosion is
> > insane here. If we were to do our job properly, we would have to test 27
> > approaches how to create a thumb drive (3 tools x 3 images x 3
> > architectures) for every compose.
> 
> Yeah, we talked a bit about it yesterday as I raised exactly the same
> question, the thing is - not a single tool provides all functionality that
> would be need to cover all required use cases :(

Oh and that doesn't even involve persistent overlay feature. Add that to the mix, and the numbers go up again.