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test something out
to try something out; to test something to see if it works. I can't wait to test my new laptop out. I will test out the new brakes on the car.
test out (of something)
to score high enough on a placement test that one does not need to take a particular course. I tested out of calculus. I don't know enough Spanish to test out.
1. To test or use something experimentally: Test out your new sleeping bag at home before taking it on a camping trip. I tested my speech out on my friends before delivering it at the meeting.
2. To qualify for a waiver of a requirement or prerequisite by taking and passing a test: I tested out of the beginning level of Spanish. You don't have to take geography because you tested out.