code: def test_twoarms(self):
      self.bandit = n_arms()
      self.work()
  
imports: import unittest
  import numpy
  from hyperopt import Trials, Domain, fmin, hp, base
  from hyperopt.rand import suggest
  from hyperopt.pyll import as_apply
  from hyperopt.pyll import scope
label_desc: Use image node_id 3 for calling the NonCategoricalCasePerDomain obj's underlying member method code with example usage: obj.test_twoarms() without return types