code: def test_offset(self):
      offset = makeFY5253LastOfMonthQuarter(
          1, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
      )
      offset2 = makeFY5253LastOfMonthQuarter(
          2, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
      )
      offset4 = makeFY5253LastOfMonthQuarter(
          4, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
      )
  
      offset_neg1 = makeFY5253LastOfMonthQuarter(
          -1,
          startingMonth=9,
          weekday=WeekDay.SAT,
          qtr_with_extra_week=4,
      )
      offset_neg2 = makeFY5253LastOfMonthQuarter(
          -2,
          startingMonth=9,
          weekday=WeekDay.SAT,
          qtr_with_extra_week=4,
      )
  
      GMCR = [
          datetime(2010, 3, 27),
          datetime(2010, 6, 26),
          datetime(2010, 9, 25),
          datetime(2010, 12, 25),
          datetime(2011, 3, 26),
          datetime(2011, 6, 25),
          datetime(2011, 9, 24),
          datetime(2011, 12, 24),
          datetime(2012, 3, 24),
          datetime(2012, 6, 23),
          datetime(2012, 9, 29),
          datetime(2012, 12, 29),
          datetime(2013, 3, 30),
          datetime(2013, 6, 29),
      ]
  
      assert_offset_equal(offset, base=GMCR[0], expected=GMCR[1])
      assert_offset_equal(
          offset,
          base=GMCR[0] + relativedelta(days=-1),
          expected=GMCR[0],
      )
      assert_offset_equal(offset, base=GMCR[1], expected=GMCR[2])
  
      assert_offset_equal(offset2, base=GMCR[0], expected=GMCR[2])
      assert_offset_equal(offset4, base=GMCR[0], expected=GMCR[4])
  
      assert_offset_equal(offset_neg1, base=GMCR[-1], expected=GMCR[-2])
      assert_offset_equal(
          offset_neg1,
          base=GMCR[-1] + relativedelta(days=+1),
          expected=GMCR[-1],
      )
      assert_offset_equal(offset_neg2, base=GMCR[-1], expected=GMCR[-3])
  
      date = GMCR[0] + relativedelta(days=-1)
      for expected in GMCR:
          assert_offset_equal(offset, date, expected)
          date = date + offset
  
      date = GMCR[-1] + relativedelta(days=+1)
      for expected in reversed(GMCR):
          assert_offset_equal(offset_neg1, date, expected)
          date = date + offset_neg1
  
imports: from datetime import datetime
  from dateutil.relativedelta import relativedelta
  import pytest
  from pandas import Timestamp
  import pandas._testing
  from pandas.tests.tseries.offsets.common import WeekDay, assert_is_on_offset, assert_offset_equal
  from pandas.tseries.offsets import FY5253, FY5253Quarter
label_desc: Use image node_id 3 for calling the TestFY5253LastOfMonthQuarter obj's underlying member method code with example usage: obj.test_offset() without return types