Updates for back-bdb testing

tests/data/slapd-acl.conf

@@ -20,8 +20,8 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		objectClass	eq
-index		cn,sn,uid	pres,eq,sub
+#ldbm#index		objectClass	eq
+#ldbm#index		cn,sn,uid	pres,eq,sub
 lastmod		on
 
 #

tests/data/slapd-master.conf

@@ -19,4 +19,4 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		objectClass eq
+#ldbm#index		objectClass eq

tests/data/slapd-ref-slave.conf

@@ -24,6 +24,6 @@ suffix		"o=University of Mich, c=US"
 directory	./test-repl
 rootdn		"cn=Manager, o=University of Mich, c=US"
 rootpw		secret
-index		objectClass	eq
-index		cn,sn,uid	pres,eq,sub
+#ldbm#index		objectClass	eq
+#ldbm#index		cn,sn,uid	pres,eq,sub
 lastmod		on

tests/data/slapd-repl-master.conf

@@ -22,8 +22,8 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		objectClass	eq
-index		cn,sn,uid	pres,eq,sub
+#ldbm#index		objectClass	eq
+#ldbm#index		cn,sn,uid	pres,eq,sub
 lastmod		on
 
 replogfile	./test-db/slapd.replog

tests/data/slapd-repl-slave.conf

@@ -25,6 +25,6 @@ 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		objectClass	eq
-index		cn,sn,uid	pres,eq,sub
+#ldbm#index		objectClass	eq
+#ldbm#index		cn,sn,uid	pres,eq,sub
 lastmod		on

tests/data/slapd.conf

@@ -20,13 +20,13 @@ suffix		"o=University of Michigan, c=US"
 directory	./test-db
 rootdn		"cn=Manager, o=University of Michigan, c=US"
 rootpw		secret
-index		objectclass	eq
-index		uid	pres,eq,sub
-index		cn,sn	pres,eq,sub,subany
+#ldbm#index		objectclass	eq
+#ldbm#index		uid	pres,eq,sub
+#ldbm#index		cn,sn	pres,eq,sub,subany
 #ldbm#dbnosync
 #ldbm#dbnolocking
 
 database	@BACKEND@
 suffix		"dc=OpenLDAP,dc=org"
 directory	./test-repl
-index		objectclass	eq
+#ldbm#index		objectclass	eq