bug#45748: 28.0.50; fit-frame-to-buffer ignores leading spaces

[Eli Zaretskii]

> From: Aaron Jensen <aaronjensen@gmail.com>
> Date: Fri, 15 Jan 2021 06:34:34 -0600
> Cc: martin rudalics <rudalics@gmx.at>, 45748@debbugs.gnu.org
> 
> >   Test xdisp-tests--window-text-pixel-size condition:
> >       (error "Not using an ASCII terminal now; cannot make a new ASCII 
> > frame")
> >
> > It works if I run the test interactively.
> 
> The tests do not work in batch mode. I don't know of a way to test
> window-text-pixel-size in a terminal since it requires GUI.

Why does it require GUI?

> I don't think it's a platform issue. Is there a standard for tests
> that are GUI/interactive only?

If we need to do this interactively, we could move the tests to
manual/redisplay-testsuite.el.  But I'd like first to try to make them
work in batch.