class_docstr: Test methods common to Public and Private data interfaces modules.
code: def _get_data_object(self, public_data_object, private_data_object):
      self.d = [public_data_object, private_data_object]
  
file_path: DiCE/tests/test_data.py
imports: import pytest
  import dice_ml
label_desc: Use image node_id 1 for calling the TestCommonDataMethods obj's underlying member method code with example usage: obj._get_data_object(public_data_object, private_data_object) without return types