code: def test_get_thresholds(shadow_dec_tree):
      assert list(shadow_dec_tree.get_thresholds()) == [
          0.5,
          2.5,
          2.5,
          -2.0,
          -2.0,
          23.350000381469727,
          -2.0,
          -2.0,
          3.5,
          3.5,
          -2.0,
          -2.0,
          17.5,
          -2.0,
          -2.0,
      ]
  
imports: import joblib
  import numpy
  import pytest
  from sklearn.tree import DecisionTreeRegressor, DecisionTreeClassifier
  from dtreeviz.models.sklearn_decision_trees import ShadowSKDTree
label_desc: Use image node_id 23 for calling a global function with example usage: test_get_thresholds(shadow_dec_tree) without return types