def METHOD_NAME(self):
    self.ORIG = {}
    self.ORIG['STDOFFSET'] = tzinfo.STDOFFSET
    self.ORIG['DSTOFFSET'] = tzinfo.DSTOFFSET
    self.ORIG['DSTDIFF'] = tzinfo.DSTDIFF
    self.ORIG['localtime'] = time.localtime
    # ovveride all saved values with fixtures.
    # calculate LOCAL TZ offset, so that this test runs in
    # every time zone
    tzinfo.STDOFFSET = timedelta(seconds=36000)  # assume LOC = +10:00
    tzinfo.DSTOFFSET = timedelta(seconds=39600)  # assume DST = +11:00
    tzinfo.DSTDIFF = tzinfo.DSTOFFSET - tzinfo.STDOFFSET
    time.localtime = self.localtime_mock