code: def test_can_parse_no_schema():
      schema_root = None
      records = []
      actual = cudf_from_avro_util(schema_root, records)
      expected = cudf.DataFrame()
      assert_eq(expected, actual)
  
imports: import datetime
  import io
  import pathlib
  from typing import Optional
  import fastavro
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.testing._utils import assert_eq
  from cudf.testing.dataset_generator import rand_dataframe
label_desc: Use image node_id 8 for calling a global function with example usage: test_can_parse_no_schema() without return types