code: def test_result_filter_combinations():
      filter_0 = neurovault.ResultFilter(a=0, b=1)
      filter_1 = neurovault.ResultFilter(c=2, d=3)
  
      filter_0_and_1 = filter_0.AND(filter_1)
  
      assert filter_0_and_1({"a": 0, "b": 1, "c": 2, "d": 3})
      assert not filter_0_and_1({"a": 0, "b": 1, "c": 2, "d": None})
      assert not filter_0_and_1({"a": None, "b": 1, "c": 2, "d": 3})
  
      filter_0_or_1 = filter_0.OR(filter_1)
  
      assert filter_0_or_1({"a": 0, "b": 1, "c": 2, "d": 3})
      assert filter_0_or_1({"a": 0, "b": 1, "c": 2, "d": None})
      assert filter_0_or_1({"a": None, "b": 1, "c": 2, "d": 3})
      assert not filter_0_or_1({"a": None, "b": 1, "c": 2, "d": None})
  
      filter_0_xor_1 = filter_0.XOR(filter_1)
  
      assert not filter_0_xor_1({"a": 0, "b": 1, "c": 2, "d": 3})
      assert filter_0_xor_1({"a": 0, "b": 1, "c": 2, "d": None})
      assert filter_0_xor_1({"a": None, "b": 1, "c": 2, "d": 3})
      assert not filter_0_xor_1({"a": None, "b": 1, "c": 2, "d": None})
  
      not_filter_0 = filter_0.NOT()
  
      assert not_filter_0({})
      assert not not_filter_0({"a": 0, "b": 1})
  
      filter_2 = neurovault.ResultFilter(
          {"a": neurovault.NotNull()}
      ).AND(lambda d: len(d) < 2)
  
      assert filter_2({"a": "a"})
      assert not filter_2({"a": ""})
      assert not filter_2({"a": "a", "b": 0})
  
      filt = neurovault.ResultFilter(a=0).AND(
          neurovault.ResultFilter(b=1).OR(neurovault.ResultFilter(b=2))
      )
  
      assert filt({"a": 0, "b": 1})
      assert not filt({"a": 0, "b": 0})
  
imports: import hashlib
  import json
  import os
  import re
  import stat
  from urllib import parse
  import numpy
  import pandas
  import pytest
  import requests
  from nilearn._utils.data_gen import generate_fake_fmri
  from nilearn.conftest import _rng
  from nilearn.datasets import neurovault
  from nilearn.image import load_img
label_desc: Use image node_id 25 for calling a global function with example usage: test_result_filter_combinations() without return types