The phrase "a test for which" is correct and usable in written English.
It can be used when referring to a specific test that is intended for a particular purpose or subject.
Example: "The students prepared diligently for a test for which they had studied extensively over the semester."
Alternatives: "an exam designed for" or "a test aimed at".
Given the opportunity to recommend a test for which they will make money, the doctors will.
Hurricane Gustav gave the state of Louisiana a test for which it had three years to prepare.
Week in Review, Page 8 'NEVER AGAIN,' AGAIN Hurricane Gustav gave Louisiana a test for which it had three years to prepare.
Michael Schredl found, in a recent study of more than a thousand young adults, that some other common subjects are finding yourself in threatening surroundings, taking a test for which you aren't prepared, suffering paralysis, being late to an important event, and having people close to you die or disappear.
In the episode, Lisa cheats on a test for which she fails to study and receives an A+++ grade, but becomes guilt-ridden.
b) were possibly cost-effective but were unrealistic (e.g. where a non skilled operator was mentioned together with a test for which a highly skilled operator was needed).
"When I hear folks say that 'maybe, well, we should just admit the Christians and not the Muslims', I hear political leaders suggesting there would be a religious test for which a person fleeing from a war-torn country is admitted, when some of those folks themselves come from families who benefited from protection when they were fleeing political persecution – that's shameful".
"When I heard political leaders suggest that there would be a religious test for which a person who's fleeing a warn-torn country is admitted... that's shameful," Obama said.
Perhaps you'd like a test for that, which we also happen to sell?"' 'The tests should not replace a trip to the doctor,' agrees Duigenan.
The dispute is being seen as a test for South Africa, which is struggling with profound political and social problems two decades after the end of apartheid.
Success was swift: he won five Grand Tours in three years, including three Tours de France, though he lost his 2010 victory after failing a test for clenbuterol, which the rider blamed on eating contaminated steak.
