}
        });

        String[] roleNames = ldapUser.getRoleNames();
        assertNotNull(roleNames);
        assertEquals(0, roleNames.length);
    }

    @Test
    public void test_getGroupNames() {
        // Test getting group names from permissions
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getRoleSearchGroupPrefix() {