code: def test_fit_proba():
      """[Parallel | Learner | Blend | Proba | No Prep] test fit"""
      args = get_learner("fit", "blend", True, False)
      run_learner(*args)
  
file_path: mlens/mlens/parallel/tests/test_a_learner_blend.py
imports: from mlens.testing import Data, EstimatorContainer, get_learner, run_learner
label_desc: Use image node_id 7 for calling a global function with example usage: test_fit_proba() without return types