code: def test_get_features(shadow_dec_tree: ShadowLightGBMTree):
      assert np.array_equal(
          shadow_dec_tree.get_features(),
          np.array(
              [
                  3,
                  0,
                  2,
                  2,
                  -1,
                  -1,
                  -1,
                  2,
                  5,
                  -1,
                  -1,
                  -1,
                  2,
                  2,
                  2,
                  -1,
                  -1,
                  5,
                  -1,
                  -1,
                  0,
                  2,
                  -1,
                  -1,
                  -1,
              ]
          ),
      )
  
file_path: dtreeviz/testing/testlib/models/test_decision_tree_lightgbm_classifier.py
imports: import lightgbm
  import pytest
  from dtreeviz.models.lightgbm_decision_tree import ShadowLightGBMTree
  import numpy
label_desc: Use image node_id 10 for calling a global function with example usage: test_get_features(shadow_dec_tree) without return types