code: def test_get_conn_should_return_connection(
      self, get_connection, mssql_get_conn
  ):
      get_connection.return_value = PYMSSQL_CONN
      mssql_get_conn.return_value = mock.Mock()
  
      hook = MsSqlHook()
      conn = hook.get_conn()
  
      assert mssql_get_conn.return_value == conn
      mssql_get_conn.assert_called_once()
  
file_path: airflow/tests/providers/microsoft/mssql/hooks/test_mssql.py
imports: from __future__ import annotations
  from unittest import mock
  from urllib.parse import quote_plus
  import pytest
  from airflow.models import Connection
label_desc: Use image node_id 1 for calling the TestMsSqlHook obj's underlying member method code with example usage: obj.test_get_conn_should_return_connection(get_connection, mssql_get_conn) without return types