code: def test_fallback_name(yahoo_finance_connector, stock_ticker):
      assert yahoo_finance_connector.fallback_name == stock_ticker
  
file_path: pandas-ai/tests/connectors/test_yahoo_finance.py
imports: from unittest.mock import patch
  import pandas
  import pytest
  import yfinance
  from pandasai.connectors.yahoo_finance import YahooFinanceConnector
label_desc: Use image node_id 9 for calling a global function with example usage: test_fallback_name(yahoo_finance_connector, stock_ticker) without return types