code: def test_find_relevant_timestamp_attributes(self):
      np.random.seed(0)
  
      # monthly frequency
      self.helper_relevant_attributes("M", 150, [(12, {"month"})])
  
      # daily frequency
      self.helper_relevant_attributes(
          "D",
          1000,
          [(365, {"month", "day"}), (30, {"day"}), (7, {"weekday"})],
      )
  
      # hourly frequency
      self.helper_relevant_attributes(
          "H",
          3000,
          [
              (730, {"day", "hour"}),
              (168, {"weekday", "hour"}),
              (24, {"hour"}),
          ],
      )
  
      # minutely frequency
      self.helper_relevant_attributes(
          "min",
          5000,
          [
              (1440, {"hour", "minute"}),
              (60, {"minute"}),
          ],
      )
  
imports: import numpy
  from darts.models.forecasting.fft import _find_relevant_timestamp_attributes
  from darts.utils import timeseries_generation
label_desc: Use image node_id 2 for calling the TestFFT obj's underlying member method code with example usage: obj.test_find_relevant_timestamp_attributes() without return types