code: def test_lags():
      freq_strs = [
          "4S",
          "min",
          "1min",
          "15min",
          "30min",
          "59min",
          "60min",
          "61min",
          "H",
          "1H",
          "6H",
          "12H",
          "23H",
          "24H",
          "25H",
          "D",
          "1D",
          "2D",
          "6D",
          "7D",
          "8D",
          "W",
          "1W",
          "3W",
          "4W",
          "5W",
          "M",
          "6M",
          "12M",
      ]
  
      for freq_str in freq_strs:
          lags = date_feature_set.get_lags_for_frequency(freq_str)
  
          assert (
              lags == expected_lags[freq_str]
          ), "lags do not match for the frequency '{}':\nexpected: {},\nprovided: {}".format(
              freq_str, expected_lags[freq_str], lags
          )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_lags() without return types