code: def _test_score(self, m):
      data = self.data
  
      # Test predict returns something
      pred = m.predict(data)
      assert len(pred) == data.num_rows()
  
      new_data = self.new_data
      new_user_data = self.new_user_data
      new_item_data = self.new_item_data
  
      pred = m.predict(data, new_data, new_user_data, new_item_data)
      assert len(pred) == data.num_rows()
  
file_path: turicreate/src/python/turicreate/test/test_recsys_api.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import sys
  import turicreate
label_desc: Use image node_id 4 for calling the AdditionalDataTest obj's underlying member method code with example usage: obj._test_score(m) without return types