code: def configs():
      configs = [
          SeasonalityInferConfig(
              seas_name="yearly",
              col_name="ct1",
              period=1,
              max_order=10,
              aggregation_period="W",
              offset=1,
          ),
          SeasonalityInferConfig(
              seas_name="weekly",
              col_name="year_woy_iso",
              period=7,
              max_order=10,
              aggregation_period=None,
              offset=None,
          ),
      ]
      return configs
  
file_path: greykite/greykite/tests/algo/common/test_seasonality_inferrer.py
imports: from copy import deepcopy
  import pandas
  import pytest
  from greykite.algo.common.seasonality_inferrer import SeasonalityInferConfig
  from greykite.algo.common.seasonality_inferrer import SeasonalityInferrer
  from greykite.algo.common.seasonality_inferrer import TrendAdjustMethodEnum
  from greykite.common import constants
  from greykite.common.testing_utils import assert_equal
  from greykite.common.testing_utils import generate_df_for_tests
  from greykite.common.time_properties import infer_freq
label_desc: Use image node_id 2 for calling a global function with example usage: configs() and returns: configs