Madame Garderobe is also used as a kind of litmus test for how close the staff is to becoming inanimate, which heightens the tension as the film draws closer to it's conclusion. (cbr.com)
Ask the girls about breast - feeding and they describe it as a sort of litmus test of a woman's readiness for motherhood. (articles.chicagotribune.com)
It will also serves as litmus test for full cycle of intervention adapting world best practices while considering our own local peculiarities, exhibiting the best of transparency, accountability and in full consideration of the protection and integrity of the affected persons. (nigeriapoliticsonline.com)