old_contents: #
  # Copyright (C) 2013 - 2021 Satoru SATOH <satoru.satoh @ gmail.com>
  # License: MIT
  #
  # pylint: disable=missing-docstring
  """test cases of anyconfig.cli.main without arguments and cause errors.
  """
  from .. import base
  from . import test_base
  
  
  class TestCase(test_base.BaseTestCase):
      kind = 'errors'
  
      def make_args(self, tdata):  # pylint: disable=no-self-use
          """Make arguments to run cli.main.
          """
          args = base.load_data(tdata.inp_path, default=[])
          return ['anyconfig_cli'] + tdata.opts + args
  
  # vim:sw=4:ts=4:et:
  
new_contents: #
  # Copyright (C) 2013 - 2021 Satoru SATOH <satoru.satoh @ gmail.com>
  # License: MIT
  #
  # pylint: disable=missing-docstring
  """test cases of anyconfig.cli.main without arguments and cause errors.
  """
  from .. import base
  from . import collectors, test_base
  
  
  class Collector(collectors.Collector):
      kind = 'errors'
  
  
  class TestCase(test_base.BaseTestCase):
      collector = Collector()
  
      def make_args(self, tdata):  # pylint: disable=no-self-use
          """Make arguments to run cli.main.
          """
          args = base.load_data(tdata.inp_path, default=[])
          return ['anyconfig_cli'] + tdata.opts + args
  
  # vim:sw=4:ts=4:et:
  
subject: set kind properly in classes inherits collectors.Collector