return roleSet;
    }

    public void test_buildByParameter() {
        final RoleQueryHelper roleQueryHelperImpl = new RoleQueryHelper() {
            protected long getCurrentTime() {
                return System.currentTimeMillis();
            }
        };

        Set<String> roleSet;

        roleSet = buildByParameter(roleQueryHelperImpl, getMockRequest());
        assertEquals(0, roleSet.size());