import sys import os sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../..'))) from utils import yfinance_utils import pandas as pd def test_fetch_yfinance_daily_real(): result = yfinance_utils.fetch_yfinance_daily('MSFT', '2023-01-01', '2023-01-10') assert result is not None assert not result.empty assert isinstance(result, pd.Series)