code: def test_integer_hash_collision_set():
      # GH 30013
      result = {NA, hash(NA)}
  
      assert len(result) == 2
      assert NA in result
      assert hash(NA) in result
  
imports: from datetime import date, time, timedelta
  import pickle
  import numpy
  import pytest
  from pandas._libs.missing import NA
  from pandas.core.dtypes.common import is_scalar
  import pandas
  import pandas._testing
label_desc: Use image node_id 25 for calling a global function with example usage: test_integer_hash_collision_set() without return types