code: def test_pdb_custom_cls_without_pdb(
      self, pytester: Pytester, custom_pdb_calls: List[str]
  ) -> None:
      p1 = pytester.makepyfile("""xxx """)
      result = pytester.runpytest_inprocess(
          "--pdbcls=_pytest:_CustomPdb", p1
      )
      result.stdout.fnmatch_lines(["*NameError*xxx*", "*1 error*"])
      assert custom_pdb_calls == []
  
imports: import os
  import sys
  from typing import List
  import _pytest._code
  import pytest
  from _pytest.debugging import _validate_usepdb_cls
  from _pytest.monkeypatch import MonkeyPatch
  from _pytest.pytester import Pytester
label_desc: Use image node_id 38 for calling the TestPDB obj's underlying member method code with example usage: obj.test_pdb_custom_cls_without_pdb(pytester, custom_pdb_calls) without return types