$m->text_contains(Encode::decode("UTF-8","使用語言 的值從 (無) 改為 'zh_TW'"), "when updating to language zh_TW, results are in zh_TW");
$m->form_with_fields('Lang');
$m->field(Lang => 'en_us');
$m->submit;
$m->text_contains(Encode::decode("UTF-8","使用語言 的值從 (無) 改為 'zh_TW'"), "when updating to language zh_TW, results are in zh_TW");
$m->form_with_fields('Lang');
$m->field(Lang => 'en_us');
$m->submit;