do_tests: allow to set a log level with an environment variable

do_tests

@@ -58,6 +58,8 @@
     PG_USER=""
     ODOO_USER=""
 fi
+# This should be a parameter if it was simple to parse
+INSTALL_ARGUMENTS="--log-level=${INSTALL_LOG_LEVEL:-warn}"
 
 echo ${YELLOW}INFO ${RESET} - Drop any existing database "$dbname"
 dropdb $PG_HOST $PG_USER --if-exists $dbname
@@ -70,6 +72,6 @@
 fi
 echo ${YELLOW}INFO ${RESET} - Modules to install: $modules_to_install
 echo ${YELLOW}INFO ${RESET} - Install those modules
-$here/start -i $modules_to_install -d $dbname --log-level=warn --max-cron=0 --stop-after-init $* $ODOO_HOST $ODOO_USER || { echo ${RED}FATAL${RESET} - Cannot install modules ; exit 1; }
+$here/start $INSTALL_ARGUMENTS -i $modules_to_install -d $dbname --max-cron=0 --stop-after-init $* $ODOO_HOST $ODOO_USER || { echo ${RED}FATAL${RESET} - Cannot install modules ; exit 1; }
 echo ${YELLOW}INFO ${RESET} - Run tests on $dbname
 $here/run_tests $dbname $ODOO_HOST $ODOO_USER