code: def test_get_first_party_connection_helper(
      self, connection_class_name, expected_connection_class
  ):
      assert (
          _get_first_party_connection(connection_class_name)
          == expected_connection_class
      )
  
imports: import os
  import sys
  import threading
  import unittest
  from unittest.mock import MagicMock, mock_open, patch
  import pytest
  from parameterized import parameterized
  from streamlit.connections import BaseConnection, SnowflakeConnection, SnowparkConnection, SQLConnection
  from streamlit.errors import StreamlitAPIException
  from streamlit.runtime.caching.cache_resource_api import _resource_caches
  from streamlit.runtime.connection_factory import _create_connection, _get_first_party_connection, connection_factory
  from streamlit.runtime.scriptrunner import add_script_run_ctx
  from streamlit.runtime.secrets import secrets_singleton
  from tests.testutil import create_mock_script_run_ctx
label_desc: Use image node_id 4 for calling the ConnectionFactoryTest obj's underlying member method code with example usage: obj.test_get_first_party_connection_helper(connection_class_name, expected_connection_class) without return types