code: def test_topic_modelling_models(self):
      common_functions = ["create", "perplexity"]
      special_functions = {}
      special_functions[turicreate.topic_model] = ["TopicModel"]
  
      for module, funcs in special_functions.items():
          actual = get_visible_items(module)
          expected = common_functions + funcs
          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 17 for calling the ModuleVisibilityTests obj's underlying member method code with example usage: obj.test_topic_modelling_models() without return types