[pkg] Stop running unit tests from skeleton
The test files shipped as part as the skeleton for `cubeweb-ctl newcube` are
not meant to be run as part of our test suite!
[main]
cubicweb.session.secret = %(secret_1)s
cubicweb.auth.authtkt.session.secret = %(secret_2)s
cubicweb.auth.authtkt.persistent.secret = %(secret_3)s
cubicweb.auth.authtkt.session.secure = no
cubicweb.auth.authtkt.persistent.secure = no