code: def test_series_reductions(op, expected):
      ser = Series([1, 2], dtype="Int64")
      result = getattr(ser, op)()
      tm.assert_equal(result, expected)
  
file_path: pandas/pandas/tests/arrays/integer/test_reduction.py
imports: import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Series, array
  import pandas._testing
label_desc: Use image node_id 1 for calling a global function with example usage: test_series_reductions(op, expected) without return types