code: def setUp(self) -> None:
      pass
  
imports: import numpy
  from ax.modelbridge.transforms.rounding import randomized_onehot_round, strict_onehot_round
  from ax.utils.common.testutils import TestCase
label_desc: Use image node_id 1 for calling the RoundingTest obj's underlying member method code with example usage: obj.setUp() without return types