code: def test_regression(self):
      actual = get_visible_items(turicreate.regression)
      expected = [
          "create",
          "linear_regression",
          "boosted_trees_regression",
          "decision_tree_regression",
          "random_forest_regression",
      ]
      check_visible_modules(actual, expected)
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import turicreate
label_desc: Use image node_id 12 for calling the ModuleVisibilityTests obj's underlying member method code with example usage: obj.test_regression() without return types