assertEquals("******@****.***", list.get(0));

        list.clear();
        authenticator.addGroupOrRoleName(list, "******@****.***@hoge.com", true);
        assertEquals(2, list.size());
        assertEquals("******@****.***@hoge.com", list.get(0));
        assertEquals("test", list.get(1));

    }

    @Test
    public void test_setMaxGroupDepth() {