code: def test_two_month(self):
      logger.info("Testing start-of-month resampling...")
      self._test_granularity(granularity="2MS")
      logger.info("Testing start-of-month resampling with an offset...")
      self._test_granularity(
          granularity="2MS",
          offset=pd.Timedelta(days=3, hours=6, minutes=30),
      )
      logger.info("Testing end-of-month resampling...")
      self._test_granularity(granularity="2M")
      logger.info("Testing end-of-month resampling...")
      self._test_granularity(
          granularity="2M", offset=-pd.Timedelta(days=7, hours=7)
      )
  
file_path: merlion/tests/transform/test_resample.py
imports: import logging
  import pandas
  import numpy
  import sys
  import unittest
  from merlion.utils import TimeSeries, UnivariateTimeSeries
  from merlion.transform.resample import Shingle, TemporalResample
label_desc: Use image node_id 3 for calling the TestResample obj's underlying member method code with example usage: obj.test_two_month() without return types