code: def test_connection_success(self, mock_get_first):
      with mock.patch.dict(
          "os.environ",
          AIRFLOW_CONN_SNOWFLAKE_DEFAULT=Connection(
              **BASE_CONNECTION_KWARGS
          ).get_uri(),
      ):
          hook = SnowflakeHook()
          mock_get_first.return_value = [{"1": 1}]
          status, msg = hook.test_connection()
          assert status is True
          assert msg == "Connection successfully tested"
          mock_get_first.assert_called_once_with("select 1")
  
imports: from __future__ import annotations
  import json
  from copy import deepcopy
  from typing import TYPE_CHECKING, Any
  from unittest import mock
  import pytest
  from cryptography.hazmat.backends import default_backend
  from cryptography.hazmat.primitives import serialization
  from cryptography.hazmat.primitives.asymmetric import rsa
  from airflow.models import Connection
  from airflow.providers.snowflake.hooks.snowflake import SnowflakeHook
label_desc: Use image node_id 16 for calling the TestPytestSnowflakeHook obj's underlying member method code with example usage: obj.test_connection_success(mock_get_first) without return types