test out

Verb

• To try or experiment with (something or someone) in order to see if it works, is true, or is successful.
• To explore (something one has little experience with), especially to do so in a safe environment.
• To explore how (someone) responds to something; To feel someone out.
• To demonstrate a certain result in a test, especially a successful result.
• To pass a placement test that enables one to avoid taking a course.

Noun

• A trial; an experiment to see how or whether something works; the act of testing something out.
• A placement test that allows someone to skip a course.