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import { wait } from './wait.js'
test('happy path', async () => {  const fn = x => Promise.resolve(x + 1)  const [ result, err ] = await wait(fn(1))
  expect(result).toBe(2)  expect(err).toBeUndefined()})
test('when promise is rejected', async () => {  const fn = x => Promise.reject(Error('foo'))  const [ result, err ] = await wait(fn(1))
  expect(result).toBeUndefined()  expect(err).toEqual(Error('foo'))})