@Test
public void testGetDelegatedRoleMembersInvalidDomain() {

    ObjectStoreConnection conn = zms.dbService.store.getConnection(true, false);
    assertNull(zms.dbService.getDelegatedRoleMembers(conn, "dom1", "dom1", "role1"));
    assertNull(zms.dbService.getDelegatedRoleMembers(conn, "dom1", "invalid-domain", "role1"));
}