code: def test_nth():
      assert convert_to_nth(4) == "4th"
      assert convert_to_nth(11) == "11th"
      assert convert_to_nth(12) == "12th"
      assert convert_to_nth(13) == "13th"
      assert convert_to_nth(111) == "111th"
      assert convert_to_nth(112) == "112th"
      assert convert_to_nth(113) == "113th"
  
imports: from featuretools.utils.description_utils import convert_to_nth
label_desc: Use image node_id 4 for calling a global function with example usage: test_nth() without return types