When you ask testers how they know they are done testing, the most common responses are:
![](/sites/default/files/styles/square_thumbnail_180x180_/public/itjournal/fulltext/2001/09/itj0109e/itj0109efig01.gif?itok=M1ayuZ9H)
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When you ask testers how they know they are done testing, the most common responses are: