code: def test_load_data_ts():
      dl = DataLoaderTS()
      ts = dl.load_data_ts(data_name="daily_peyton_manning")
      expected_ts = dl.load_peyton_manning_ts()
      assert_equal(ts.df, expected_ts.df)
  
      ts = dl.load_data_ts(
          data_name="hourly_parking", system_code_number="Shopping"
      )
      expected_ts = dl.load_parking_ts(system_code_number="Shopping")
      assert_equal(ts.df, expected_ts.df)
  
      # Error due to unavailable data name
      data_name = "dummy"
      data_inventory = dl.get_data_inventory()
      with pytest.raises(
          ValueError,
          match=rf"Input data name '{data_name}' is not recognized. "
          rf"Must be one of \{data_inventory}\.",
      ):
          dl.load_data_ts(data_name=data_name)
  
file_path: greykite/greykite/tests/framework/benchmark/test_data_loader_ts.py
imports: import pytest
  from greykite.common.constants import TIME_COL
  from greykite.common.constants import VALUE_COL
  from greykite.common.python_utils import assert_equal
  from greykite.framework.benchmark.data_loader_ts import DataLoaderTS
label_desc: Use image node_id 6 for calling a global function with example usage: test_load_data_ts() without return types