code: def test_pdb_validate_usepdb_cls(self):
      assert _validate_usepdb_cls("os.path:dirname.__name__") == (
          "os.path",
          "dirname.__name__",
      )
  
      assert _validate_usepdb_cls("pdb:DoesNotExist") == (
          "pdb",
          "DoesNotExist",
      )
  
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 37 for calling the TestPDB obj's underlying member method code with example usage: obj.test_pdb_validate_usepdb_cls() without return types