code: def test_prime_queue_empty_with_init():
      optimizer = BayesianOptimization(
          target_func, PBOUNDS, random_state=1
      )
      assert len(optimizer._queue) == 0
      assert len(optimizer.space) == 0
  
      optimizer._prime_queue(init_points=5)
      assert len(optimizer._queue) == 5
      assert len(optimizer.space) == 0
  
imports: import pytest
  import numpy
  from bayes_opt import UtilityFunction
  from bayes_opt import BayesianOptimization
  from bayes_opt.logger import ScreenLogger
  from bayes_opt.event import Events, DEFAULT_EVENTS
  from bayes_opt.util import NotUniqueError
  import pickle
  import os
label_desc: Use image node_id 8 for calling a global function with example usage: test_prime_queue_empty_with_init() without return types