// referrals failure
// modify success
LDAPAttribute attribute = new LDAPAttribute( "description", "referral to akarasulu" );
LDAPModification mod = new LDAPModification( LDAPModification.ADD, attribute );
LDAPResponseListener listener = conn.modify( "uid=akarasuluref,ou=users,ou=system", mod, null, constraints );
LDAPResponse response = listener.getResponse();
assertEquals( ResultCodeEnum.REFERRAL.getValue(), response.getResultCode() );
assertEquals( "ldap://localhost:10389/uid=akarasulu,ou=users,ou=system", response.getReferrals()[0] );
assertEquals( "ldap://foo:10389/uid=akarasulu,ou=users,ou=system", response.getReferrals()[1] );