code: def _get_default_ray_kwargs():
      system_config = _get_default_system_config()
      ray_kwargs = {
          "num_cpus": 1,
          "object_store_memory": 150 * 1024 * 1024,
          "dashboard_port": None,
          "include_dashboard": False,
          "namespace": "default_test_namespace",
          "_system_config": system_config,
          "ignore_reinit_error": True,
      }
      return ray_kwargs
  
imports: import contextlib
  import os
  import tempfile
  import time
  import uuid
  from unittest import mock
  import pytest
  from ludwig.constants import BATCH_SIZE, COMBINER, EPOCHS, HYPEROPT, INPUT_FEATURES, NAME, OUTPUT_FEATURES, TRAINER, TYPE
  from ludwig.hyperopt.run import hyperopt
  from tests.integration_tests.utils import category_feature, generate_data, text_feature
label_desc: Use image node_id 14 for calling a global function with example usage: _get_default_ray_kwargs() and returns: ray_kwargs