class_docstr: Tests for st.secrets with a single secrets.toml file
class_docstr_tok: ["Tests","for","st.secrets","with","a","single","secrets.toml","file"]
code: def test_load_if_toml_exists_returns_false_if_parse_fails(self):
      self.assertFalse(self.secrets.load_if_toml_exists())
  
imports: import os
  import tempfile
  import unittest
  from collections.abc import Mapping
  from collections.abc import MutableMapping
  from typing import Mapping, MutableMapping
  from unittest.mock import MagicMock, mock_open, patch
  from parameterized import parameterized
  from toml import TomlDecodeError
  from streamlit.runtime.secrets import SECRETS_FILE_LOCS, AttrDict, Secrets
  from tests.exception_capturing_thread import call_on_threads
label_desc: Use image node_id 9 for calling the SecretsTest obj's underlying member method code with example usage: obj.test_load_if_toml_exists_returns_false_if_parse_fails() without return types