code: def test_metrics(precalculated_rf_classifier_explainer):
      assert isinstance(
          precalculated_rf_classifier_explainer.metrics(), dict
      )
      assert isinstance(
          precalculated_rf_classifier_explainer.metrics(cutoff=0.9),
          dict,
      )
      assert isinstance(
          precalculated_rf_classifier_explainer.metrics_descriptions(
              cutoff=0.9
          ),
          dict,
      )
  
file_path: explainerdashboard/tests/test_classifier_explainer.py
imports: import pandas
  import numpy
  import plotly.graph_objects
label_desc: Use image node_id 4 for calling a global function with example usage: test_metrics(precalculated_rf_classifier_explainer) without return types