code: def pytest_report_header(config):
      versions = (VERSION, os.linesep, MAGICK_VERSION)
      return "Wand Version: {0}{1}ImageMagick Version: {2}".format(
          *versions
      )
  
file_path: wand/tests/conftest.py
imports: import os
  from pathlib import Path
  from pytest import fixture, mark
  from wand.version import MAGICK_VERSION, VERSION
label_desc: Use image node_id 4 for calling a global function with example usage: pytest_report_header(config) and returns: str