code: def test_fancy_titles():
      cols = ["change_case", "insert_duplicate_characters", "synonym"]
      assert fancy_titles(cols) == [
          "Change Case",
          "Insert Duplicate Characters",
          "Synonym",
      ]
  
imports: from Adversary.utils import *
label_desc: Use image node_id 3 for calling a global function with example usage: test_fancy_titles() without return types