docstr: Test if parallelization breaks the optimization process
docstr_tok: ["Test","if","parallelization","breaks","the","optimization","process"]
code: def test_parallel_evaluation(self, obj_without_args, optimizer):
      """Test if parallelization breaks the optimization process"""
      import multiprocessing
  
      optimizer.optimize(
          obj_without_args,
          2000,
          n_processes=multiprocessing.cpu_count(),
      )
      assert np.array(optimizer.cost_history).shape == (2000,)
  
imports: import inspect
  import numpy
  import pytest
  import pyswarms.backend.topology
  from pyswarms.single import GeneralOptimizerPSO
  from pyswarms.utils.functions.single_obj import sphere
  from .abc_test_optimizer import ABCTestOptimizer
label_desc: Use image node_id 5 for calling the TestGeneralOptimizer obj's underlying member method code with example usage: obj.test_parallel_evaluation(obj_without_args, optimizer) without return types