String[] fields = fessConfig.getIndexAdminIntegerFields().split(",");
        assertEquals(1, fields.length);
        assertEquals("boost", fields[0]);
    }

    @Test
    public void test_indexAdminLongFields() {
        String fieldsStr = fessConfig.getIndexAdminLongFields();
        assertEquals("", fieldsStr);
        String[] fields = fieldsStr.isEmpty() ? new String[0] : fieldsStr.split(",");