Given two promises promise1 and promise2, return a new promise. promise1 and promise2 will both resolve with a number. The returned promise should resolve with the sum of the two numbers. * Solution/** * @param {Promise} promise1 * @param {Promise} promise2 * @return {Promise} */ var addTwoPromises = async function(promise1, promise2) { return (await promise1 + await promise2) }..