class_docstr: A base test class for all optimisers on Euclidean domains. 
docstr: Tests instantiation of the optimiser. 
docstr_tok: ["Tests","instantiation","of","the","optimiser","."]
code: def test_instantiation(self):
      """Tests instantiation of the optimiser."""
      optimiser = self._child_instantiate_optimiser(
          self.func_caller,
          self.worker_manager_3,
          options=None,
          reporter=reporters.get_reporter("silent"),
      )
      self.report("Instantiated %s object." % (type(optimiser)))
      for attr in dir(optimiser):
          if not attr.startswith("_"):
              self.report(
                  "optimiser.%s = %s"
                  % (attr, str(getattr(optimiser, attr))),
                  "test_result",
              )
  
imports: import numpy
  from ..exd import domains
  from .None import random_optimiser
  from ..exd.experiment_caller import EuclideanFunctionCaller
  from ..exd.worker_manager import SyntheticWorkerManager
  from ..apis.opt import maximise_function, maximise_multifidelity_function
  from ..utils.ancillary_utils import is_nondecreasing, get_list_of_floats_as_str, get_rounded_list
  from ..utils.base_test_class import BaseTestClass, execute_tests
  from ..utils.euclidean_synthetic_functions import get_syn_func_caller, get_mf_cost_function
  from ..utils import reporters
label_desc: Use image node_id 4 for calling the EuclideanOptimisersBaseTestCase obj's underlying member method code with example usage: obj.test_instantiation() without return types