code: def test_change_file_permission(tmp_path):
      tmpfile = tmp_path / "test.config"
      tmpfile.write_text("content")
      change_file_permission(tmpfile)
      mode = tmpfile.stat().st_mode
      assert not (mode & stat.S_IWGRP) and not (mode & stat.S_IWOTH)
  
imports: from __future__ import annotations
  import stat
  from airflow_breeze.utils.run_utils import change_directory_permission, change_file_permission
label_desc: Use image node_id 1 for calling a global function with example usage: test_change_file_permission(tmp_path) without return types