code: def test_predict_prep():
      """[Parallel | Layer | Manual | Stack | No Proba | Prep] test predict"""
      args = get_layer("predict", "manual", "stack", False, True)
      run_layer(*args)
  
file_path: mlens/mlens/parallel/tests/test_b1_layer_stack.py
imports: from mlens.testing import Data, EstimatorContainer, get_layer, run_layer
label_desc: Use image node_id 5 for calling a global function with example usage: test_predict_prep() without return types