[devtools] make test db name for postgresql process-specific
In case we run two tests concurrently on the same cluster, better not
use the same db name for both.
#! /bin/sh -e#if [ "$1" = remove -o "$1" = upgrade ]; then if which install-docs >/dev/null 2>&1; then install-docs -r cubicweb-doc fifi#DEBHELPER#exit 0