Place tortillas on microwavable plate or microwavable paper towel; microwave uncovered on High 10 to 15 seconds to soften. Spread about 1/4 cup cheese mixture over each tortilla. Top evenly with olives and tomatoes. Arrange 1/2 cup spinach on each tortilla to within 1/2 inch of edge. Roll up tightly; wrap in plastic wrap. Refrigerate 2 to 3 hours to blend flavors.