code: def test_split_dataset_pandas_int(test_dataframe_pandas):
      reference, df = split_dataset(
          test_dataframe_pandas, split=3, time_axis="date"
      )
  
      assert reference.shape[0] == 3
      assert df.shape[0] == 997
      assert reference.columns.values.tolist() == ["date", "f1", "f2"]
      assert df.columns.values.tolist() == ["date", "f1", "f2"]
  
file_path: popmon/tests/popmon/pipeline/test_split_dataset.py
imports: from datetime import datetime, timedelta
  import pandas
  import pytest
  from popmon.pipeline.dataset_splitter import split_dataset
label_desc: Use image node_id 2 for calling a global function with example usage: test_split_dataset_pandas_int(test_dataframe_pandas) without return types