old_contents: def setUp(self):
      pass
  def test_cli_arg_parsing(self):
      tests = [
          ("abc", ("abc", {})),
          ("ab:c", ("ab", {'c':''})),
          ("a:b=c", ('a', {'b':'c'})),
          ("a:b=c,d=e", ('a', {'b':'c','d':'e'})),
      ]
      for cli, output in tests:
          self.assertEquals(fabric._parse_args([cli]), [output])
  
new_contents: def setUp(self):
      pass
  def test_cli_arg_parsing(self):
      tests = [
          ("abc", ("abc", {})),
          ("ab:c", ("ab", {'c':'c'})),
          ("a:b=c", ('a', {'b':'c'})),
          ("a:b=c,d=e", ('a', {'b':'c','d':'e'})),
      ]
      for cli, output in tests:
          self.assertEquals(fabric._parse_args([cli]), [output])
  
subject: fix test of plumbing to not fail on my recent changes to the arg. parsing