Would you agree to do an unpaid test for a freelance assignment?

[Btaliat]

The common thing among the clients now is trying getting the freelancers make them do free jobs for them. Majority of them will ask the freelancers to do unpaid job, in a way of testing their ability and skills. Some freelancers always fall for this. These clients may decide not to reach out to the freelancers after the completion of the task. That's why it is advisable for the freelancers to be very careful dealing with clients.