testing ground
laboratory , ***

"The government wants to use this as a testing ground, to see how well the companies stand up to international competition."

It was often used as a testing ground for new lines and products.

These people and their needs become a moral testing ground.

It would provide a testing ground for the companies' equipment, he said.

They believe it should be seen as a testing ground for new urban models.

I was facing toward your testing ground when the lights went out.

"Systems like ours should not be a testing ground for research and development."

I think it's a testing ground - the real meaning gets told to me.

He decided to use the landfill as a testing ground for his media students.

A good testing ground before the doctors started on the real patient.