def test_05_check_dates_presets(self):
        ranges = [7, 30, "this_year"]
        for index in range(0, len(ranges)):
            self.statistics.click_date_range(self.statistics.DATE_RANGES_XPATH.format(index+1))
            start_date, end_date = date_range_calculation(ranges[index])
            self.assertEqual(self.statistics.start_date_field_value(), start_date)
            self.assertEqual(self.statistics.end_date_field_value(), end_date)