But for sake of testing I left it on and paired and it does last for hours on end. (techwelike.com)
Usually they do this in ways that are actually quite superficial (testing God for the sake of testing) or selfish (God, if you love me, or if you want me to believe in you, give me a new car). (nakedpastor.com)
Sometimes we have an arrangement with the shop to lend them to us for the sake of a test run. (thebestbabyjumper.com)