Apple is reportedly testing versions of iOS 7 with AirDrop, the Mac’s Wi-Fi file sharing tool, which lets users exchange files between devices more easily than sending e-mails or using Messages. According to a report, AirDrop may be integrated into the iOS sharing menu, and could work between two iOS devices, or between a Mac and an iOS device. Like the reported Flickr and Vimeo integration in iOS 7, there’s a possibility AirDrop will…