code: def test_n_jobs_2():
      hyper = Hyperactive()
      hyper.add_search(
          objective_function, search_space, n_iter=15, n_jobs=8
      )
      hyper.run()
  
      assert len(hyper.results_list) == 8
  
imports: import numpy
  from tqdm import tqdm
  from hyperactive import Hyperactive
label_desc: Use image node_id 4 for calling a global function with example usage: test_n_jobs_2() without return types