Use substring indices

tests/data/slapd-acl.conf

@@ -21,7 +21,7 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		cn,sn,uid	pres,eq
+index		cn,sn,uid	pres,eq,sub
 lastmod		on
 defaultaccess	none
 

tests/data/slapd-pw.conf

@@ -23,7 +23,7 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		cn,sn,uid	pres,eq
+index		cn,sn,uid	pres,eq,sub
 lastmod		on
 defaultaccess	none
 

tests/data/slapd-ref-slave.conf

@@ -25,5 +25,5 @@ suffix		"o=University of Mich, c=US"
 directory	./test-repl
 rootdn		"cn=Manager, o=University of Mich, c=US"
 rootpw		secret
-index		cn,sn,uid	pres,eq
+index		cn,sn,uid	pres,eq,sub
 lastmod		on

tests/data/slapd-repl-master.conf

@@ -23,7 +23,7 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		cn,sn,uid	pres,eq
+index		cn,sn,uid	pres,eq,sub
 lastmod		on
 
 replogfile	./test-db/slapd.replog

tests/data/slapd-repl-slave.conf

@@ -26,5 +26,5 @@ rootdn		"cn=Replica, o=University of Michigan, c=US"
 rootpw		secret
 updatedn	"cn=Replica, o=University of Michigan, c=US"
 updateref	"ldap://localhost:9009/o=University%20of%20Michigan,c=US"
-index		cn,sn,uid	pres,eq
+index		cn,sn,uid	pres,eq,sub
 lastmod		on