Legal Issues

A working interview is where you ask for directly related work as part of the application. It is thus a great vetting tool. But is it legal?

What is it?

This one says A working interview is where an applicant comes to the office/place of employment and works for the employer prior to being hired - [1]
A skills test is an exception. A skills test is Where the applicant is not performing work for the employer and the employer is not receiving any benefit from the testing.