public void setUp() throws Exception {
        super.setUp();
        labelTypeHelper = new LabelTypeHelper();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new MockLabelTypeService(), LabelTypeService.class.getCanonicalName());
        ComponentUtil.register(new MockVirtualHostHelper(), "virtualHostHelper");
        ComponentUtil.register(new MockRoleQueryHelper(), "roleQueryHelper");
    }