bug#56025: [PATCH v4] 29.0.50; em-extpipe-test-2 times out on EMBA and Cygwin

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Ken Brown <kbrown@cornell.edu>,  Sean Whitton
>  <spwhitton@email.arizona.edu>,  Eli Zaretskii <eliz@gnu.org>,
>   56025@debbugs.gnu.org
> Date: Sun, 24 Jul 2022 11:08:25 +0200
> 
> Jim Porter <jporterbugs@gmail.com> writes:
> 
> > Oops. I forgot to add some `(skip-unless ...)' forms for these tests,
> > so... here they are. Hopefully this will be the last message from me
> > for a bit. :C
> 
> :-)
> 
> Since this (mainly) affects Cygwin builds, could someone who uses
> Windows give the patch a look-over and apply it?

I did the review and tested on native MS-Windows, but I think we
should wait for Ken to try this on Cygwin.