code: def test_get_node_nsamples(tf_shadow_clf):
      assert tf_shadow_clf.get_node_nsamples(0) == 891
      assert tf_shadow_clf.get_node_nsamples(1) == 577
      assert tf_shadow_clf.get_node_nsamples(2) == 122
      assert tf_shadow_clf.get_node_nsamples(4) == 314
  
imports: import pytest
  import numpy
  import tensorflow_decision_forests
  from dtreeviz.models.tensorflow_decision_tree import ShadowTensorflowTree
label_desc: Use image node_id 13 for calling a global function with example usage: test_get_node_nsamples(tf_shadow_clf) without return types