code: def test_is_business_day(self):
      data = test_data.is_business_day_data
      date_tensor = dates.dates_from_tuples([item[0] for item in data])
      expected = [item[1] for item in data]
      cal = self.impl(
          weekend_mask=dates.WeekendMask.SATURDAY_SUNDAY,
          holidays=test_data.holidays,
      )
      actual = cal.is_business_day(date_tensor)
      self.assertEqual(tf.bool, actual.dtype)
      self.assertAllEqual(expected, actual)
  
imports: import datetime
  import functools
  from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  import tf_quant_finance
  from tf_quant_finance.datetime import bounded_holiday_calendar
  from tf_quant_finance.datetime import test_data
  from tf_quant_finance.datetime import unbounded_holiday_calendar
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 11 for calling the HolidayCalendarTest obj's underlying member method code with example usage: obj.test_is_business_day() without return types