code: def test_config_dict_is_equivalent_copy(self):
      original = FILE_CONTENT[CONFIG_FILE]
      copy = get_config_defaults()
      self.assertIsNot(copy, original)
      self.assertEqual(copy, original)
  
imports: from __future__ import absolute_import
  from unittest import TestCase
  from chart_studio.files import CONFIG_FILE, FILE_CONTENT
  from chart_studio.tools import get_config_defaults
label_desc: Use image node_id 1 for calling the TestGetConfigDefaults obj's underlying member method code with example usage: obj.test_config_dict_is_equivalent_copy() without return types