code: def test_get_params_stacking_regressor():
      """Test get_params method of StackingRegressor class."""
      stacking_regressor = StackingRegressor()
      dict = stacking_regressor.get_params()
      assert len(dict["base_estimators"]) == 3
      assert isinstance(
          dict["level_estimator"], type(LinearRegression())
      )
      assert dict["n_folds"] == 5
      assert not dict["copy"]
      assert dict["random_state"] == 1
      assert dict["verbose"]
  
file_path: MLBox/tests/test_stacking_regressor.py
imports: import pytest
  import pandas
  import numpy
  from sklearn.linear_model import LinearRegression
  from mlbox.model.regression.stacking_regressor import StackingRegressor
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_params_stacking_regressor() without return types