docstr: Files inside user configured folders should be blacklisted.
docstr_tok: ["Files","inside","user","configured","folders","should","be","blacklisted","."]
code: def test_do_blacklist_user_configured_folders(self):
      """
      Files inside user configured folders should be blacklisted.
      """
      folder_black_list = FolderBlackList(["/bar/some_folder"])
      is_blacklisted = folder_black_list.is_blacklisted
      self.assertTrue(is_blacklisted("/bar/some_folder/script.py"))
  
imports: import unittest
  from streamlit.folder_black_list import FolderBlackList
label_desc: Use image node_id 2 for calling the FileIsInFolderTest obj's underlying member method code with example usage: obj.test_do_blacklist_user_configured_folders() without return types