code: def test_initialize_with_invalid_model_path_or_url(
      self, mock_check_valid_model
  ):
      model = "invalid_model"
      generation_kwargs = {"n": 1}
      stop_words = ["stop"]
      streaming_callback = None
  
      mock_check_valid_model.side_effect = ValueError(
          "Invalid model path or url"
      )
  
      with pytest.raises(ValueError):
          HuggingFaceTGIChatGenerator(
              model=model,
              generation_kwargs=generation_kwargs,
              stop_words=stop_words,
              streaming_callback=streaming_callback,
          )
  
imports: from unittest.mock import patch, MagicMock, Mock
  import pytest
  from huggingface_hub.inference._text_generation import TextGenerationStreamResponse, Token, StreamDetails, FinishReason
  from huggingface_hub.utils import RepositoryNotFoundError
  from haystack.components.generators.chat import HuggingFaceTGIChatGenerator
  from haystack.dataclasses import StreamingChunk, ChatMessage
label_desc: Use image node_id 7 for calling the TestHuggingFaceTGIChatGenerator obj's underlying member method code with example usage: obj.test_initialize_with_invalid_model_path_or_url(mock_check_valid_model) without return types