code: def test_regression_models(self):
      X_train, X_test, y_train, _, _ = create_housing_data()
  
      model_list = create_models_regression(X_train, y_train)
      for model in model_list:
          assert model.predict(X_test) is not None
  
file_path: responsible-ai-toolbox/rai_test_utils/tests/test_model_utils.py
imports: import numpy
  import pandas
  import pytest
  from ml_wrappers import wrap_model
  from rai_test_utils.datasets.tabular import create_housing_data, create_iris_data, create_simple_titanic_data
  from rai_test_utils.datasets.vision import get_images, load_fridge_object_detection_dataset
  from rai_test_utils.models import create_models_classification, create_models_object_detection, create_models_regression
  from rai_test_utils.models.sklearn import create_complex_classification_pipeline, create_complex_regression_pipeline
label_desc: Use image node_id 1 for calling the TestModelUtils obj's underlying member method code with example usage: obj.test_regression_models() without return types