def METHOD_NAME(self):
    self.assertEqual(self.test_instance.acquisition_time(timeformat='unix'),
                     self.test_acquisition_time)
    self.assertEqual(self.test_instance.acquisition_time(timeformat='iso'),
                     self.test_iso_acquisition_time)
    self.assertEqual(self.test_instance.acquisition_time(timeformat='date'),
                     self.test_date_acquisition_time)