code: def test_all():
      test_keep_cross_validation_predictions_on_gbm_grid()
      test_keep_cross_validation_models_on_gbm_grid()
  
file_path: h2o-3/h2o-py/tests/testdir_algos/gbm/pyunit_gbm_grid_memory_cleanup.py
imports: import sys
  from collections import OrderedDict
  import re
  import h2o
  from tests import pyunit_utils
  from h2o.grid.grid_search import H2OGridSearch
  from h2o.estimators.gbm import H2OGradientBoostingEstimator
label_desc: Use image node_id 6 for calling a global function with example usage: test_all() without return types