code: def test_trading_calendar(self):
      self.assertEqual(
          "us_futures",
          self.reader.trading_calendar.name,
          "The calendar for the reindex reader should be the "
          "specified futures calendar.",
      )
  
imports: from collections import OrderedDict
  from numbers import Real
  from nose_parameterized import parameterized
  from numpy.testing import assert_almost_equal
  from numpy import nan, array, full, isnan
  import pandas
  from pandas import DataFrame
  from six import iteritems
  from zipline.data.resample import minute_frame_to_session_frame, DailyHistoryAggregator, MinuteResampleSessionBarReader, ReindexMinuteBarReader, ReindexSessionBarReader
  from zipline.testing import parameter_space
  from zipline.testing.fixtures import WithEquityMinuteBarData, WithBcolzEquityMinuteBarReader, WithBcolzEquityDailyBarReader, WithBcolzFutureMinuteBarReader, ZiplineTestCase
label_desc: Use image node_id 10 for calling the TestReindexSessionBars obj's underlying member method code with example usage: obj.test_trading_calendar() without return types