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import { add } from './add'import { zipWith } from './zipWith'
const list1 = [ 1, 2, 3 ]const list2 = [ 10, 20, 30, 40 ]const list3 = [ 100, 200 ]
test('when second list is shorter', () => {  const result = zipWith(    add, list1, list3  )  expect(result).toEqual([ 101, 202 ])})
test('when second list is longer', () => {  const result = zipWith(    add, list1, list2  )  expect(result).toEqual([ 11, 22, 33 ])})