We do a lot of product testing in the friendly confines of PC Labs, but drones call for wide-open spaces, so we take them out for test flights in the real world. Here's what we look for. Many of PCMag's product reviews rely heavily on tests conducted within PC Labs, but those walls are too small for flying drones . So to test them, we do the same thing you'd do with drones at home—take them out into the real world to fly, record …