[server/test] Extract a "ldapsource" function in unittest_ldapsource.py
We will add more use of this pattern in forthcoming changesets,
so avoid repetition.
include *.py
include */*.py
recursive-include cubicweb_%(cubename)s *.py
recursive-include cubicweb_%(cubename)s/data *.gif *.png *.ico *.css *.js
recursive-include cubicweb_%(cubename)s/i18n *.po
recursive-include cubicweb_%(cubename)s/wdoc *
recursive-include test/data bootstrap_cubes *.py
include *.ini
recursive-include debian changelog compat control copyright rules
include cubicweb-%(cubename)s.spec