code: def test_partition_by_big_gives_singleton(xs, n):
      """partitioning by a number >= the list length returns a singleton containing
      just the list.
  
      """
      one_entry = list(u.partition(xs, len(xs) + n))
      assert one_entry == [xs]
  
imports: import itertools
  import json
  import os
  import uuid
  from collections import OrderedDict
  from enum import Enum
  from typing import Union
  import hypothesis.strategies
  from hypothesis import given
  import caliban.util
  import pytest
label_desc: Use image node_id 19 for calling a global function with example usage: test_partition_by_big_gives_singleton(xs, n) without return types