bug#68919: 30.0.50; etc/w32-feature.el: tests do not work under --batch

[Eli Zaretskii]

> From: Corwin Brust <corwin@bru.st>
> Date: Sun, 4 Feb 2024 09:25:32 -0600
> Cc: 68919@debbugs.gnu.org
> 
> On Sun, Feb 4, 2024 at 1:08 AM Eli Zaretskii <eliz@gnu.org> wrote:
> >
> > We can do better than this, I think.  The following works in batch
> > mode:
> >
> >   emacs -batch --eval "(message \"%s\" (get 'uniscribe 
> > 'font-driver-superseded-by))"
> >    => harfbuzz
> >
> 
> Thank you, Eli - let me know if this is better.

LGTM, thanks.

> (Should we continue using frame-parameters in when display-graphic-p
> is t?  I assume not; this works in both cases and is thus better
> because it's simpler, or so I have thought.)

Yes, for this particular feature there's no need to use
frame-parameters anymore, since the above test works in all kinds of
session.