class_docstr: Definitions for unit tests for GP Bandits on cartesian product spaces. 
docstr: Instantiate the optimiser. 
code: def _child_instantiate_optimiser(
      cls, func_caller, worker_manager, options, reporter
  ):
      """Instantiate the optimiser."""
      return gp_bandit.CPGPBandit(
          func_caller,
          worker_manager,
          options=options,
          reporter=reporter,
      )
  
file_path: dragonfly/dragonfly/opt/unittest_mf_cp_gp_bandit.py
imports: import unittest
  from .None import gp_bandit
  from .unittest_cp_random_optimiser import MFCPOptimiserBaseTestCase
  from ..utils.base_test_class import BaseTestClass, execute_tests
label_desc: Use image node_id 1 for calling the MFCPGPBanditTestCaseDefinitions obj's underlying member method code with example usage: obj._child_instantiate_optimiser(cls, func_caller, worker_manager, options, reporter) and returns: gp_bandit