Burger King is testing two brand new menu items which put a healthier twist on their classic chicken sandwiches and wraps. The fast food chain always tests new items in select locations first to see if they are popular before rolling them out nationwide. Burger King’s new Flame-Grilled ChickenStarting June 6, Burger King is testing a new Flame-Grilled Chicken Sandwich and Flame-Grilled Chicken Wrap at markets in Omaha, Nebraska and Huntsville, Alabama. Instead of using deep-fried crispy chicken fillets, these new options use flame-grilled chicken breast, so are slightly healthier. The chicken …