[test] run unittest_migractions on postgresql
sqlite's lack of support for a bunch of alter table functionality means
some thing just don't get tested otherwise.
#! /bin/sh -ecase "$1" in remove) if [ -x "/etc/init.d/cubicweb-ctl" ]; then invoke-rc.d cubicweb-ctl stop || true fi ;;esac#DEBHELPER#exit 0