New criterion for reporting failure of installer and accessing debug mode

[Petr Schindler]

On Tue, 2012-01-31 at 12:01 -0800, Adam Williamson wrote:
> On Tue, 2012-01-31 at 11:42 -0500, Chris Lumens wrote:
> > > "The installer must be able to handle the failure and report the
> issue. The installer must be also able to access debug mode."
> > 
> > Debug mode is intended to be used by developers to test and fix
> > anaconda.  I don't think this belongs in test criteria.
> 
> If it's never expected to be used by end users, then yeah, we should
> leave it out of the criteria and ditch the test or make it
> non-blocking. 

I've changed test case [1] to non-blocking. As debug mode is not
supposed to be used by users it shouldn't block release. Criterion isn't
needed too.