code: def test_coxph_enum_enum_interactions():
      test_coxph_enum_enum_interactions_order(
          [("C1", "C2"), ("C2", "C3")],
          "smalldata/coxph_test/heart_enum_random_cols.csv",
      )
      test_coxph_enum_enum_interactions_order(
          [("C2", "C3"), ("C1", "C2")],
          "smalldata/coxph_test/heart_enum_random_cols.csv",
      )
      test_coxph_enum_enum_interactions_order(
          [("C1", "C2"), ("C2", "C3")],
          "smalldata/coxph_test/heart_enum_random_NAs.csv",
      )
      test_coxph_enum_enum_interactions_order(
          [("C2", "C3"), ("C1", "C2")],
          "smalldata/coxph_test/heart_enum_random_NAs.csv",
      )
  
imports: import sys
  import tempfile
  import h2o
  from tests import pyunit_utils
  from h2o.estimators.coxph import H2OCoxProportionalHazardsEstimator
label_desc: Use image node_id 2 for calling a global function with example usage: test_coxph_enum_enum_interactions() without return types