code: def test_traceconfig(pytester: Pytester) -> None:
      result = pytester.runpytest("--traceconfig")
      result.stdout.fnmatch_lines(
          ["*using*pytest*", "*active plugins*"]
      )
  
file_path: pytest/testing/test_helpconfig.py
imports: import pytest
  from _pytest.config import ExitCode
  from _pytest.pytester import Pytester
label_desc: Use image node_id 9 for calling a global function with example usage: test_traceconfig(pytester) without return types