code: def setUp(self):
      self.mock_model = Mock()
      self.mock_optimizer = Mock()
      self.expected_optimum_position = [[0, 0]]
      self.mock_optimizer.optimize.return_value = (
          self.expected_optimum_position,
          self.expected_optimum_position,
      )
      domain = [
          {
              "name": "var_1",
              "type": "continuous",
              "domain": (-5, 5),
              "dimensionality": 2,
          }
      ]
      self.space = Design_space(domain, None)
      self.mock_optimizer.context_manager = ContextManager(self.space)
      self.ei_acquisition = AcquisitionEI(
          self.mock_model, self.space, self.mock_optimizer
      )
  
      self.random_batch = RandomBatch(self.ei_acquisition, 10)
  
file_path: GPyOpt/GPyOpt/testing/evaluators_tests/test_batch_random.py
imports: import unittest
  from mock import Mock
  import numpy
  from GPyOpt.core.evaluators import RandomBatch
  from GPyOpt.acquisitions import AcquisitionEI
  from GPyOpt.core.task.space import Design_space
  from GPyOpt.optimization.acquisition_optimizer import ContextManager
label_desc: Use image node_id 1 for calling the TestRandomBatch obj's underlying member method code with example usage: obj.setUp() without return types