white-glove test
A test to certify completion or acceptability; administered in a manner and possibly by a party representing an almost inhuman ideal of precision, thouroughness, and attention to detail.
I detailed the car for hours, but the greasy steering wheel did me in during the white-glove test.
white-glove test
to check for cleaness, dust, dirt
your room better be clean, i'll give it a white glove test.