fix tests

Author: Andy Landy

tests/dumps/test_main.argparse_code_wrong_args.txt

@@ -20,13 +20,6 @@ Traceback with variables (most recent call last):
       args = None
       namespace = None
   File "...omitted for tests only.../argparse.py", line...omitted for tests only..., in parse_known_args
-    namespace, args = self._parse_known_args(args, namespace)
-      self = ArgumentParser(prog='code.py', usage=None, description=None, formatter_class=<class 'argparse.HelpFormatter'>, conflict_handler='error', add_help=True)
-      args = ['--wrong', 'value']
-namespace = Namespace(arg=None)
-      action = _StoreAction(option_strings=['--arg'], dest='arg', nargs=None, const=None, default=None, type=<class 'int'>, choices=None, help=None, metavar=None)
-  File "...omitted for tests only.../argparse.py", line...omitted for tests only..., in _parse_known_args
-      message = 'the following arguments are required: --arg'
       args = {'prog': 'code.py', 'message': 'the following arguments are required: --arg'}
   File "...omitted for tests only.../argparse.py", line...omitted for tests only..., in exit
     _sys.exit(status)

tests/test_main.py

@@ -146,7 +146,7 @@ def do_test_code_(main_argv: List[str], lines: List[str], code_argv: List[str],
         )
         if out.startswith('usage:') and out.count('\n') > 37:  # :)
             lines = out.split('\n')
-            out = '\n'.join(lines[:27] + lines[-10:])  # argparse codes differs in py versions
+            out = '\n'.join(lines[:21] + lines[-9:])  # argparse codes differs in py versions
         out = re.sub(r'\[([^-][^\s]+) \[[^\s]+ ...]]', r'[\1 ...]', out)
         out = re.sub(r']\s+', ']\n', out)
         out = out.replace('optional arguments', 'options')