code: def test_make_split_key(word, sense, expected):
      assert make_key(word, sense) == expected
      assert split_key(expected) == (word, sense)
  
imports: import pytest
  from spacy.tokens import Doc, Span
  from spacy.vocab import Vocab
  from sense2vec.util import get_true_cased_text, make_key, split_key
label_desc: Use image node_id 3 for calling a global function with example usage: test_make_split_key(word, sense, expected) without return types