code: def test_get_boundaries(self):
      index = get_boundaries(
          42, [18, 25, 30, 35, 40, 45, 50, 55, 60, 65]
      )
      assert index == 5
  
file_path: analytics-zoo/pyzoo/test/zoo/models/recommendation/test_recommender_utils.py
imports: import pytest
  from zoo.models.recommendation.utils import *
  from zoo.common.nncontext import *
  from test.zoo.pipeline.utils.test_utils import ZooTestCase
label_desc: Use image node_id 1 for calling the TestRecommenderUtils obj's underlying member method code with example usage: obj.test_get_boundaries() without return types