code: def test_split_no_pat_with_nonzero_n(
      data, pat, expected_val, any_string_dtype
  ):
      s = Series(data, dtype=any_string_dtype)
      result = s.str.split(pat=pat, n=1)
      expected = Series(
          {0: ["split", "once"], 1: ["split", expected_val]}
      )
      tm.assert_series_equal(expected, result, check_index_type=False)
  
imports: from datetime import datetime
  import re
  import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, MultiIndex, Series, _testing
  from pandas.tests.strings import _convert_na_value, object_pyarrow_numpy
label_desc: Use image node_id 14 for calling a global function with example usage: test_split_no_pat_with_nonzero_n(data, pat, expected_val, any_string_dtype) without return types