Wearing Bonne Bell's Dr. Pepper Lip Smackers on a chain around your neck may have gone out of style, but General Mills, Betty Crocker, and Pillsbury has swooped in with lines of food-inspired lip balms. The "flavors" include Warm Delights Molten Caramel Cake, Fruit Gushers, Lucky Charms, and Pop Secret Buttered Popcorn. When you don't have room in your bag for a bowl of cake batter or fresh-popped popcorn, are these the answer? Should we even be asking ourselves this? We tried 12 flavors to…