A: A home sleep test needs to be ordered by a licensed doctor.

More tests need to be run, but I don't really have the facilities here.

More tests need to be done to find out if the lump is cancer.

Some exams and tests need to be done at every visit.

Talk to your doctor about which preventive medical tests you need to stay healthy.

The current design fared better, they said, but more tests and analysis needed to be done.

A test she needed to be studying for and wasn't.

We do whatever tests need to be done to get the information the client needs.

"He failed the test; needs to study on his math ability."

In other cases, tests eventually show that the cancer is growing and needs to be treated.