The phrase "after the test" means after a particular event or situation has occurred, specifically referring to an examination. It implies that the test is over and done with, and now it's time for something else.
Sentences with «after the test»
She gave me helpful advice and when I came back later that same day after test driving 3 cars she was very helpful in aiding my purchase of the car. (autolist.com)
My husband is having some medical issues with his heart and has had test after test for the last 2 weeks. (5minutesformom.com)
The sound clarity can be only commented after testing in real. (phoneradar.com)