ITS#9400 - Fix prev commit for modular builds

tests/data/regressions/its9400/slapd-proxy-idassert.conf

@@ -25,6 +25,13 @@ argsfile	@TESTDIR@/slapd.m.args
 # database definitions
 #######################################################################
 
+#mod#modulepath ../servers/slapd/back-@BACKEND@/:../servers/slapd/overlays
+#mod#moduleload back_@BACKEND@.la
+#ldapmod#modulepath ../servers/slapd/back-ldap/
+#ldapmod#moduleload back_ldap.la
+#monitormod#modulepath ../servers/slapd/back-monitor/
+#monitormod#moduleload back_monitor.la
+
 # here the proxy is not only acting as a proxy, but it also has a local database dc=local,dc=com"
 database	@BACKEND@
 suffix		"dc=local,dc=com"