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import {append} from './append'
test('happy', () => {  expect(append('tests', ['write', 'more'])).toEqual([    'write',    'more',    'tests',  ])})
test('append to empty array', () => {  expect(append('tests')([])).toEqual(['tests'])})
test('with strings', () => {  expect(append('o', 'fo')).toEqual(['f', 'o', 'o'])})