Heat oil in a large nonstick skillet over medium heat. Add onion, and stir-fry 1 minute. Increase heat to medium-high. Add beans; stir-fry 1 minute. Stir in water and remaining ingredients; bring to a boil. Cover, reduce heat, and simmer 12 minutes or until tender. Uncover and bring to a boil; cook 10 minutes or until liquid almost evaporates. Toss gently to combine.