code: def test_download_with_invalid_ticker(self):
      # Checks if using an invalid symbol gives the same output as not using an invalid symbol in combination with a valid symbol (AAPL)
      # Checks to make sure that invalid symbol handling for the date column is the same as the base case (no invalid symbols)
  
      invalid_tkrs = [
          "AAPL",
          "ATVI",
      ]  # AAPL exists and ATVI does not exist
      valid_tkrs = ["AAPL", "INTC"]  # AAPL and INTC both exist
  
      data_invalid_sym = yf.download(
          invalid_tkrs, start="2023-11-16", end="2023-11-17"
      )
      data_valid_sym = yf.download(
          valid_tkrs, start="2023-11-16", end="2023-11-17"
      )
  
      self.assertEqual(
          data_invalid_sym["Close"]["AAPL"]["2023-11-16"],
          data_valid_sym["Close"]["AAPL"]["2023-11-16"],
      )
  
imports: from .context import yfinance
  from .context import session_gbl
  import unittest
  import os
  import datetime
  import pytz
  import numpy
  import pandas
label_desc: Use image node_id 5 for calling the TestPriceHistory obj's underlying member method code with example usage: obj.test_download_with_invalid_ticker() without return types