code: def test_parse_lambda_function_call_definition(self):
      def do_parse_and_test(lam, **unused_kwargs):
          node, source = parser.parse_entity(lam, future_features=())
          expected_node_src = "lambda x: x"
          self.assertAstMatches(node, expected_node_src)
          self.assertMatchesWithPotentialGarbage(
              source, "lambda x: x", ", named_arg=1)"
          )
  
      do_parse_and_test(lambda x: x, named_arg=1)
  
imports: import re
  import textwrap
  import unittest
  import gast
  from nvidia.dali._autograph.pyct import ast_util
  from nvidia.dali._autograph.pyct import errors
  from nvidia.dali._autograph.pyct import gast_util
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import pretty_printer
label_desc: Use image node_id 12 for calling the ParserTest obj's underlying member method code with example usage: obj.test_parse_lambda_function_call_definition() without return types