My Kawasaki dealer has been doing that since 2010. Of course they do assess whether the would be test rider is an experienced motorcyclist first.
They will let me ride bikes so I can post about them on various forums. Of course they hope I like them. LOL!
2010 Vulcan Voyager 1700 ABS, 2007 Vulcan Mean Streak 1600
2012 Concours 1400, 2011 Versys 650, 2012 KLX250S
see my garage for list of accessories