How do we test?

Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing Testing