test suit vs test case

test suit and test case both are nouns.

Word	Noun	Adjective	Verb	Adverb
test suit	Yes	No	No	No
test case	Yes	No	No	No

As nouns, test suit and test case are synonyms defined as:

test suit and test case: a representative legal action whose outcome is likely to become a precedent

test suit (noun)	test case (noun)
a representative legal action whose outcome is likely to become a precedent	a representative legal action whose outcome is likely to become a precedent