text: import reverse from './';
  
  export default {
    'reverse a string': [
      'cat',
      () => reverse('tac'),
    ],
   'reverse a number': [
      123,
      () => reverse(321),
    ],
    'reverse an array': [
      [1, 2, 3],
      () => reverse([3, 2, 1]),
    ],
  };