const {removeNonASCII} = require('./_30s.js'); test('removeNonASCII is a Function', () => { expect(removeNonASCII).toBeInstanceOf(Function); }); test('Removes non-ASCII characters', () => { expect(removeNonASCII('äÄçÇéÉêlorem-ipsumöÖÐþúÚ')).toBe('lorem-ipsum'); });