code: def test_invalid_offset(dataset, date, offset, windows, distance):
      assert (offset is None) != (date is None)
      exp_msg = "Not enough data to generate some of the windows"
      prediction_length = 7
  
      _, test_template = split(dataset, date=date, offset=offset)
      with pytest.raises(AssertionError) as excinfo:
          list(
              test_template.generate_instances(
                  prediction_length=prediction_length,
                  windows=windows,
                  distance=distance,
              )
          )
      assert exp_msg in str(excinfo.value)
  
file_path: gluonts/test/dataset/test_split.py
imports: import numpy
  import pandas
  import pytest
  from gluonts.dataset.field_names import FieldName
  from gluonts.dataset.split import OffsetSplitter, periods_between, split, slice_data_entry
label_desc: Use image node_id 8 for calling a global function with example usage: test_invalid_offset(dataset, date, offset, windows, distance) without return types