a test of 'aptitude' = an 'aptitude test' [=a test that is designed to show how easily someone will be able to learn certain skills]
Anyone who can speak five languages obviously has a great natural 'aptitude' for (learning) languages.
The new test is supposed to measure the 'aptitudes' of the students.
(..) Could Peter Griffin please report to the backyard? ALL: Ooh... Shut up. Peter, I'm looking at your aptitude assessment. Uh, we think you would be more comfortable eating in the special breakfast unit. (SHOUTING, THUDDING) It sounds like chaos in there. (..)2020 TvShow: Family Guy Title: Movin' In (Principal Shepherd's Song) Season: 18 Episode 20