code: def pytest_collection_modifyitems(config, items):
      if not config.getoption("--enable-corstone300-tests"):
          for item in items:
              if "corstone300" in item.keywords:
                  item.add_marker(
                      pytest.mark.skip(
                          reason="Need --enable-corstone300-tests option to run this test"
                      )
                  )
  
imports: import sys
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: pytest_collection_modifyitems(config, items) without return types