code: def suite():
      suite = unittest.TestSuite()
      suite.addTest(TestCache("Test cache"))
      suite.addTest(TestCacheNoPermission("Test cache no permission"))
      return suite
  
file_path: yfinance/tests/utils.py
imports: from .context import yfinance
  import unittest
  import tempfile
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: suite() and returns: suite