code: def test_explainer_with_init():
      exp = SimpleExplainerWithInit()
      assert exp.meta["name"] == exp.__class__.__name__
      assert exp.meta["params"] == {"a": 1}
  
imports: import copy
  import numpy
  import pytest
  from alibi.api.interfaces import Explainer, Explanation, FitMixin
label_desc: Use image node_id 3 for calling a global function with example usage: test_explainer_with_init() without return types