code: def test_rfclas_shadow_trees(precalculated_rf_classifier_explainer):
      dt = precalculated_rf_classifier_explainer.shadow_trees
      assert isinstance(dt, list)
      assert isinstance(
          dt[0], dtreeviz.models.shadow_decision_tree.ShadowDecTree
      )
  
file_path: explainerdashboard/tests/test_randomforest_explainer.py
imports: import pandas
  import plotly.graph_objects
  import dtreeviz
label_desc: Use image node_id 2 for calling a global function with example usage: test_rfclas_shadow_trees(precalculated_rf_classifier_explainer) without return types