code: def test_bts_during_session(self):
      self.verify_bts_during_session(
          time(11, 45),
          [
              pd.Timestamp("2016-07-15 11:45", tz="US/Eastern"),
              pd.Timestamp("2016-07-18 11:45", tz="US/Eastern"),
              pd.Timestamp("2016-07-19 11:45", tz="US/Eastern"),
          ],
          135,
      )
  
file_path: zipline/tests/test_clock.py
imports: from datetime import time
  from unittest import TestCase
  import pandas
  from trading_calendars import get_calendar
  from trading_calendars.utils.pandas_utils import days_at_time
  from zipline.gens.sim_engine import MinuteSimulationClock, SESSION_START, BEFORE_TRADING_START_BAR, BAR, SESSION_END
label_desc: Use image node_id 3 for calling the TestClock obj's underlying member method code with example usage: obj.test_bts_during_session() without return types