Click on the Print button. Close the document. But that's surely wrong. Customers will often overlook that check. They'll be annoyed when they trot off to the printer and find one page when they wanted 100.
Annoyed customers signal specification bugs.
Rather than performing functions, users may be given objects to fool around with in a direct manipulation kind of way. But whatever the interface, the tests are still based on user tasks. There will surely be some difference in detail. However, remember that a basic principle of testing is that you must trick yourself into seeing the product in a new way. If the product has a direct manipulation interface, you'll test it better if you pretend functions are independent of objects.