code: def test_metrics(precalculated_rf_multiclass_explainer):
      assert isinstance(
          precalculated_rf_multiclass_explainer.metrics(), dict
      )
      assert isinstance(
          precalculated_rf_multiclass_explainer.metrics(cutoff=0.9),
          dict,
      )
  
imports: import pytest
  import pandas
  import numpy
  import plotly.graph_objects
label_desc: Use image node_id 30 for calling a global function with example usage: test_metrics(precalculated_rf_multiclass_explainer) without return types