test

A test is writing that many learners do in a room at the same time so that people are able to see how much knowledge the learners have.

Example: I'm happy because I got a high mark on the test.

A test is something someone does to see if something works.

Example: The person did a good test of the machine by pushing all the buttons and watching the machine.

The action of testing; to try something out to see whether it works.

Example: He tested the software many times.