code: def test_get_features(tf_shadow_clf):
      assert (
          tf_shadow_clf.get_features() == [1, 0, -2, -2, 5, -2, -2]
      ).all()
  
imports: import pytest
  import numpy
  import tensorflow_decision_forests
  from dtreeviz.models.tensorflow_decision_tree import ShadowTensorflowTree
label_desc: Use image node_id 9 for calling a global function with example usage: test_get_features(tf_shadow_clf) without return types