McDonald's Is Testing <br />New Chicken Sandwiches.<br />The new Crispy Chicken Sandwich <br />and Deluxe Crispy Chicken Sandwich are <br />being tested in Houston, TX, and Knoxville, TN.<br />The Crispy Chicken Sandwich and the Deluxe Crispy Chicken Sandwich will be tested beginning December 2 through January 26, 2020, McDonald's Statement, via Business Insider.<br />McDonald's is testing a new <br />chicken filet for the sandwiches.<br />The Crispy Chicken Sandwich <br />is served on a bun with <br />butter and pickles.<br />The Deluxe Crispy Chicken Sandwich <br />adds mayo, lettuce and tomatoes.<br />The new test sandwiches are <br />also being served in foil bags, <br />similar to Popeyes and Chick-fil-A.<br />The "Chicken Sandwich Wars" being <br />played out among the three fast food <br />competitors caused McDonald's to lose <br />a portion of its chicken sales in October.