code: def setUp(self) -> None:
      pass
  
file_path: Ax/ax/models/tests/test_model_utils.py
imports: from itertools import product
  from unittest.mock import MagicMock
  import numpy
  from ax.core.search_space import SearchSpaceDigest
  from ax.models.model_utils import best_observed_point, check_duplicate, enumerate_discrete_combinations, mk_discrete_choices
  from ax.utils.common.testutils import TestCase
label_desc: Use image node_id 1 for calling the ModelUtilsTest obj's underlying member method code with example usage: obj.setUp() without return types