code: def test__update_metatada_params(data_dict):
      exp = SimpleExplainerWithInit()
      params_init = copy.deepcopy(exp.meta["params"])
      exp._update_metadata(data_dict, params=True)
  
      assert exp.meta["params"] == {**params_init, **data_dict}
  
imports: import copy
  import numpy
  import pytest
  from alibi.api.interfaces import Explainer, Explanation, FitMixin
label_desc: Use image node_id 10 for calling a global function with example usage: test__update_metatada_params(data_dict) without return types