code: def pytest_configure(config):
      """Pytest configuration preamble."""
      from sktime.tests import test_all_estimators
  
      if config.getoption("--matrixdesign") in [True, "True"]:
          test_all_estimators.MATRIXDESIGN = True
      if config.getoption("--only_cython_estimators") in [True, "True"]:
          test_all_estimators.CYTHON_ESTIMATORS = True
      if config.getoption("--only_changed_modules") in [True, "True"]:
          test_all_estimators.ONLY_CHANGED_MODULES = True
  
label_desc: Use image node_id 2 for calling a global function with example usage: pytest_configure(config) without return types