code: def some_raw_connection_method(self):
      return "some raw connection method"
  
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 1 for calling the MockRawConnection obj's underlying member method code with example usage: obj.some_raw_connection_method() and returns: str