code: def test__join_path(self, get_conn_mock, path, full_path):
      get_conn_mock.return_value = CONNECTION
      hook = SambaHook("samba_default")
      assert hook._join_path(path) == full_path
  
file_path: airflow/tests/providers/samba/hooks/test_samba.py
imports: from __future__ import annotations
  from inspect import getfullargspec
  from unittest import mock
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.samba.hooks.samba import SambaHook
label_desc: Use image node_id 4 for calling the TestSambaHook obj's underlying member method code with example usage: obj.test__join_path(get_conn_mock, path, full_path) without return types