1 box (7.25 oz.) Suddenly Pasta Salad Green Goddess
1/2 cup mayonnaise
1 tablespoon water or broth
1 (5 ounce) can tuna, drained
1 can (15.5 ounce) white beans, drained and rinsed
1 whole tomato, cut into wedges
1 cup sliced cucumber
1 avocado, peeled and diced