Add basic flow control tests

tests/data/slapd-acl.conf

@@ -29,15 +29,16 @@ defaultaccess	none
 #
 
 access		to attr=objectclass
-		by * =rs
+		by * =rsc stop
 
 access		to filter="objectclass=person" attr=userpassword
 		by anonymous auth
 		by self write
 
 access		to dn="^.*,ou=Alumni Association,ou=People,o=University of Michigan,c=US$"
-		by anonymous auth
-		by dn="^.*,o=University of Michigan,c=US$" read
+		by anonymous +x continue
+		by dn="^.*,o=University of Michigan,c=US$" +rsc continue
+		by * stop
 
 access		to attr=member
 		by dnattr=member selfwrite
@@ -45,6 +46,6 @@ access		to attr=member
 
 access		to filter="objectclass=rfc822mailgroup"
 		by dn="Bjorn Jensen,ou=Information Technology Division,ou=People,o=University of Michigan,c=US" write
-		by * read
+		by * break
 
 access		to * by * read