text: import getLowerCase from '../src/getLowerCase.js'
  
  const strings = [
      ['Hello, world!', 'hello, world!'],
      ["Mr. Popper's Penguins", "mr. popper's penguins"],
      [
          'Star Wars: Episode V – The Empire Strikes Back',
          'star wars: episode v – the empire strikes back',
      ],
  ]
  
  strings.forEach(string => {
      test(`returns expected lower case string for "${string[0]}"`, () => {
          expect(getLowerCase(string[0])).toBe(string[1])
      })
  })
  