docstr: Ensure we're not accidentally blacklisting things we shouldn't be.
docstr_tok: ["Ensure","we","'re","not","accidentally","blacklisting","things","we","should","n't","be","."]
code: def test_do_not_blacklist(self):
      """
      Ensure we're not accidentally blacklisting things we shouldn't be.
      """
      folder_black_list = FolderBlackList([])
      is_blacklisted = folder_black_list.is_blacklisted
  
      self.assertFalse(is_blacklisted("/foo/not_blacklisted/script.py"))
      self.assertFalse(
          is_blacklisted("/foo/not_blacklisted/.hidden_script.py")
      )
  
imports: import unittest
  from streamlit.folder_black_list import FolderBlackList
label_desc: Use image node_id 3 for calling the FileIsInFolderTest obj's underlying member method code with example usage: obj.test_do_not_blacklist() without return types