code: def test_search_correctness():
      hash_dict, dist_func = initialize()
      bf = BruteForce(hash_dict, dist_func)
      query = "5"
      valid_retrievals = bf.search(query, tol=2)
      assert set([i[0] for i in valid_retrievals]) == set(
          ["a", "f", "g", "d", "b"]
      )
  
imports: from collections import OrderedDict
  from imagededup.handlers.search.brute_force import BruteForce
  from imagededup.methods.hashing import Hashing
label_desc: Use image node_id 2 for calling a global function with example usage: test_search_correctness() without return types