code: def test_dummy_minimize():
      check_minimize(bench1, 0.0, [(-2.0, 2.0)], 0.05, 100)
      check_minimize(bench2, -5, [(-6.0, 6.0)], 0.05, 100)
      check_minimize(bench3, -0.9, [(-2.0, 2.0)], 0.05, 100)
  
file_path: scikit-optimize/skopt/tests/test_dummy_opt.py
imports: import pytest
  from skopt import dummy_minimize
  from skopt.benchmarks import bench1
  from skopt.benchmarks import bench2
  from skopt.benchmarks import bench3
label_desc: Use image node_id 2 for calling a global function with example usage: test_dummy_minimize() without return types