new_contents: #
  # Copyright (C) 2021 Satoru SATOH <satoru.satoh @ gmail.com>
  # License: MIT
  #
  # pylint: disable=missing-docstring
  """test cases of anyconfig.cli.main with -E or --env option.
  """
  from . import test_base
  
  
  class TestCase(test_base.TestCase):
  
      def test_show_env_with_long_option(self):
          self.run_main(
              ['--env', '-O', 'json'], test_base.Expected(words_in_stdout='PATH')
          )
  
      def test_show_env_with_short_option(self):
          self.run_main(
              ['-E', '-O', 'json'], test_base.Expected(words_in_stdout='PATH')
          )
  
  # vim:sw=4:ts=4:et:
  
subject: add test cases for CLI's -E and --env options