testrunner

noun
UK /ˈtɛstˌrʌnə/
US /ˈtɛstˌrʌnər/

A testrunner is a computer program that runs tests to see if other programs work right.

The teacher used a testrunner to check all the students' coding projects at once.


OTHER MEANINGS

2. A person who runs or conducts tests, especially in a laboratory or factory.

The testrunner recorded the results of each experiment carefully.

3. In sports, a person who runs a trial race to check the track or timing system.

The testrunner finished the course before the real race began.

4. A device or machine used to perform repeated trials on equipment.

The testrunner shook the phone thousands of times to check its strength.