$m->submit_form_ok({ with_fields => { Lang => 'ja'} },
"Back briefly to Japanese");
$m->text_contains("Lang changed from 'en_us' to 'ja'");
$m->submit_form_ok({ with_fields => { Lang => 'ja'} },
"Back briefly to Japanese");
$m->text_contains("Lang changed from 'en_us' to 'ja'");