bug#68213: 30.0.50; completion-preview-tests failure in --without-x build

[john muhl]

Eli Zaretskii <eliz@gnu.org> writes:

>> Date: Tue, 02 Jan 2024 10:42:59 -0600
>> From:  john muhl via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> Running ‘make -k -C test check-lisp’ on master with a build
>> configured without X produces the following error:
>> 
>>   cd emacs
>>   ./autogen.sh
>>   ./configure --without-x
>>   make -j$(nproc)
>>   make -k -C test check-lisp
>>   …
>>   In toplevel form:
>>   lisp/completion-preview-tests.el:23:2: Error: Symbol's value
>>   as variable is void: mouse-wheel-up-event
>>   make[3]: *** [Makefile:159: lisp/completion-preview-tests.elc] Error 1
>>   make[3]: Target 'lisp/completion-preview-tests.log' not remade because of 
>> errors.
>
> Thanks, please try again, I hope I fixed this.

That removes the warnings during make but unfortunately the test
still fails with the same error.