docstr: Custom .cfg files without [tool:pytest] section are not considered for configuration
docstr_tok: ["Custom",".cfg","files","without","[","tool",":","pytest","]","section","are","not","considered","for","configuration"]
code: def test_custom_cfg_file(self, tmp_path: Path) -> None:
      """Custom .cfg files without [tool:pytest] section are not considered for configuration"""
      fn = tmp_path / "custom.cfg"
      fn.write_text("[custom]", encoding="utf-8")
      assert load_config_dict_from_file(fn) is None
  
imports: import os
  from pathlib import Path
  from textwrap import dedent
  import pytest
  from _pytest.config import UsageError
  from _pytest.config.findpaths import get_common_ancestor
  from _pytest.config.findpaths import get_dirs_from_args
  from _pytest.config.findpaths import is_fs_root
  from _pytest.config.findpaths import load_config_dict_from_file
label_desc: Use image node_id 5 for calling the TestLoadConfigDictFromFile obj's underlying member method code with example usage: obj.test_custom_cfg_file(tmp_path) without return types