code: def test_load_hourly_bikesharing_ts():
      dl = DataLoaderTS()
      ts = dl.load_bikesharing_ts()
      assert ts.original_time_col == "ts"
      assert ts.original_value_col == "count"
      assert ts.freq == "H"
      assert ts.regressor_cols == ["tmin", "tmax", "pn"]
      assert_equal(ts.df[VALUE_COL], ts.y)
  
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 4 for calling a global function with example usage: test_load_hourly_bikesharing_ts() without return types