code: def test_resolution(self, td):
      expected = Timedelta._from_value_and_reso(1, td._creso)
      result = td.resolution
      assert result == expected
      assert result._creso == expected._creso
  
imports: from datetime import timedelta
  import sys
  from hypothesis import given, strategies
  import numpy
  import pytest
  from pandas._libs import lib
  from pandas._libs.tslibs import NaT, iNaT
  from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
  from pandas.errors import OutOfBoundsTimedelta
  from pandas import Timedelta, to_timedelta
  import pandas._testing
label_desc: Use image node_id 19 for calling the TestNonNano obj's underlying member method code with example usage: obj.test_resolution(td) without return types