Lightly Stir Together The Tuna, Mayonnaise, Pesto, Lemon Juice, And Pepper In A Bowl Until Well Combined. Microwave The Tortilla On High Until Warmed And Pliable, 5 To 10 Seconds. Spread The Tuna Mixture On The Tortilla, And Top With The Lettuce Leaves, Provolone Cheese, And Kalamata Olives. Fold The Bottom Of The Tortilla Up About 2 Inches To Enclose The Filling, And Roll The Tortilla Tightly Into A Compact Wrap.