code: def get_xgb_search_space():
      return {
          "n_estimators": hp.randint(5, 10),
          "max_depth": hp.randint(2, 5),
          "lr": hp.loguniform(1e-4, 1e-1),
      }
  
file_path: analytics-zoo/pyzoo/test/zoo/orca/automl/xgboost/test_auto_xgb.py
imports: import pytest
  from zoo.orca.automl.xgboost import AutoXGBRegressor
  import numpy
  from unittest import TestCase
  from zoo.orca.automl import hp
label_desc: Use image node_id 3 for calling a global function with example usage: get_xgb_search_space() and returns: dict