code: def test_huggingface_embedding(self):
      ...
  
file_path: mindsdb/tests/unit/ml_handlers/test_langchain_embedding.py
imports: import os
  import time
  from unittest.mock import patch
  import pandas
  import pytest
  from mindsdb_sql import parse_sql
  from ..executor_test_base import BaseExecutorTest
label_desc: Use image node_id 7 for calling the TestLangchainEmbedding obj's underlying member method code with example usage: obj.test_huggingface_embedding() without return types