class_docstr: Unit test class for general utilities. 
class_docstr_tok: ["Unit","test","class","for","general","utilities","."]
docstr: Test PDOO optmisation.
docstr_tok: ["Test","PDOO","optmisation","."]
code: def test_pdoo(self):
      """Test PDOO optmisation."""
      self.report("PDOO minimise and maximise:")
      self._test_optimise_method(
          oper_utils.pdoo_minimise, oper_utils.pdoo_maximise
      )
  
imports: from __future__ import absolute_import
  import os
  import time
  from argparse import Namespace
  import numpy
  from .ancillary_utils import is_nondecreasing
  from .base_test_class import BaseTestClass, execute_tests
  from .euclidean_synthetic_functions import get_mf_hartmann_function_data
  from .None import oper_utils
label_desc: Use image node_id 9 for calling the OptimisersTestCase obj's underlying member method code with example usage: obj.test_pdoo() without return types