code: def test2():
      df = h2o.upload_file(
          pyunit_utils.locate("smalldata/jira/pubdev_2020.csv")
      )
      splits = df.split_frame(ratios=[0.5, 0.25])
      assert df.nrow == splits[0].nrow + splits[1].nrow + splits[2].nrow
      assert splits[0].nrow > 0
      assert splits[1].nrow > 0
      assert splits[2].nrow > 0
  
imports: import sys
  import h2o
  from tests import pyunit_utils
label_desc: Use image node_id 2 for calling a global function with example usage: test2() without return types