code: def test_opt_sequence(self) -> None:
      grammar = """
          start: [NAME*]
          """
      # This case was failing because of a double trailing comma at the end
      # of a line in the generated source. See bpo-41044
      make_parser(grammar)
  
imports: import ast
  import difflib
  import io
  import textwrap
  import unittest
  from test import test_tools
  from typing import Dict, Any
  from tokenize import TokenInfo, NAME, NEWLINE, NUMBER, OP
label_desc: Use image node_id 24 for calling the TestPegen obj's underlying member method code with example usage: obj.test_opt_sequence() without return types