bug#22119: emacs-25; No rule to make target 'test/Makefile.in', needed by 'Makefile'.

[Seweryn Kokot]

While 'master' branch builds on debian unstable, I get the following error
while building 'emacs-25' branch. I did 'git checkout emacs-25' then 'make':

...
checking that generated files are newer than configure... done
configure: creating ./config.status
cd . && /bin/bash /home/sewi/sources/emacs/build-aux/missing autoheader
rm -f src/stamp-h.in
echo timestamp > src/stamp-h.in
cd . && /bin/bash /home/sewi/sources/emacs/build-aux/missing automake-1.15
--gnu -a -c lib/Makefile
make: *** No rule to make target 'test/Makefile.in', needed by 'Makefile'. 
Stop.