code: def test_pareto_space_build():
      data_points = np.zeros((10, 3))
  
      new_pareto_space = pareto.ParetoSpace(data_points)
  
      new_pareto_space.build(data_points)
  
      assert new_pareto_space.built is True
  
label_desc: Use image node_id 2 for calling a global function with example usage: test_pareto_space_build() without return types