old_contents: import locale
  
  # The test fixtures can break if the locale is non-US.
  locale.setlocale(locale.LC_ALL, 'en_US')
  
new_contents: import locale
  
  # The test fixtures can break if the locale is non-US.
  locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
  
subject: Set the locale to en_US.UTF-8