code: def pytest_addoption(parser):
      """Adds the option longrun. This is usfull when for example running performance tests."""
      parser.addoption(
          "--longrun",
          action="store_true",
          dest="longrun",
          default=False,
          help="enable longrun-decorated tests.",
      )
  
file_path: maze/maze/test/conftest.py
imports: import os
  import matplotlib
  import pytest
  from maze.utils.log_stats_utils import clear_global_state
label_desc: Use image node_id 4 for calling a global function with example usage: pytest_addoption(parser) without return types