Does anyone know about a manga in which a small girl becoming poison tester

http://www.mangago.me/read-manga/kusuriya_no_hitorigoto/

Perhaps it's this?

No, but thanks anyway, there is this saint being kept hostage by the king, and the girl is the saint's poison tester

http://www.mangago.me/read-manga/i_became_a_maid_in_a_tl_novel/ perhaps this?

Yeeees thanks