code: def invalid_value(self, request: SubRequest) -> Any:
      return request.param
  
imports: from typing import Any, Tuple, List, Dict, Text
  import pytest
  from _pytest.fixtures import SubRequest
  import rasa.shared.core.constants
  from rasa.shared.core.events import SlotSet
  from rasa.shared.core.slots import InvalidSlotTypeException, Slot, TextSlot, BooleanSlot, FloatSlot, ListSlot, CategoricalSlot, bool_from_any, AnySlot, InvalidSlotConfigError
  from rasa.shared.core.trackers import DialogueStateTracker
label_desc: Use image node_id 2 for calling the TestBooleanSlot obj's underlying member method code with example usage: obj.invalid_value(request) and returns: request