code: def test_secrets_property_no_secrets(self):
      conn = MockConnection("my_mock_connection")
      assert conn._secrets == {}
  
imports: import os
  import unittest
  from unittest.mock import PropertyMock, mock_open, patch
  import pytest
  import streamlit
  from streamlit.connections import BaseConnection
  from streamlit.runtime.secrets import AttrDict
label_desc: Use image node_id 9 for calling the BaseConnectionDefaultMethodTests obj's underlying member method code with example usage: obj.test_secrets_property_no_secrets() without return types