def METHOD_NAME(self):
    arg_parser = HelpfulArgumentParser(['--help', 'run'], {})
    arg_parser.add(
            [None, "run", "certonly", "register"],
            "--eab-kid", dest="eab_kid", action="store",
            metavar="EAB_KID",
            help="Key Identifier for External Account Binding")
    parsed_args = arg_parser.parser.parse_args(["--eab-kid", None])
    assert parsed_args.eab_kid is None
    assert hasattr(parsed_args, 'eab_kid')