code: def test_style_transfer_empty():
      r = visualization._transfer_style(
          {"class": "dashed great"}, {"something": "else"}
      )
      assert r["class"] == "dashed"
  
imports: from pathlib import Path
  from typing import Text
  import rasa.shared.utils.io
  from rasa.shared.core.domain import Domain
  from rasa.shared.core.events import ActionExecuted, SlotSet, UserUttered
  from rasa.shared.core.training_data import visualization
  import rasa.utils.io
  from rasa.shared.nlu.constants import TEXT, INTENT
  from rasa.shared.nlu.training_data.message import Message
  from rasa.shared.nlu.training_data.training_data import TrainingData
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_style_transfer_empty() without return types