code: def test_utility_copy(self, x, add_or_replace, actual_new_x):
      new_x = copy(x, add_or_replace=add_or_replace)
      self.assertTrue(
          new_x == actual_new_x
          and isinstance(new_x, type(actual_new_x))
      )
  
file_path: flax/tests/core/core_frozen_dict_test.py
imports: import jax
  from absl.testing import absltest, parameterized
  from flax.core import FrozenDict, copy, freeze, pop, pretty_repr, unfreeze
label_desc: Use image node_id 11 for calling the FrozenDictTest obj's underlying member method code with example usage: obj.test_utility_copy(x, add_or_replace, actual_new_x) without return types