old_contents: // Import AVA
  import test from 'ava'
  
  // Imports
  const arg = require('../../src/util/arg')
  
  // Placeholder
  test.todo('arg')
  
new_contents: // Import AVA
  import test from 'ava'
  
  // Imports
  import arg from '../../src/util/arg'
  
  // Placeholder
  test.todo('arg')
  
subject: Use ES6 import in util/arg test file