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import { all } from './all'
const list = [ 0, 1, 2, 3, 4 ]
test('when true', () => {  const fn = x => x > -1
  expect(all(fn)(list)).toBeTrue()})
test('when false', () => {  const fn = x => x > 2
  expect(all(fn, list)).toBeFalse()})