code: def test_default_output_length(self):
      x = th.ones(1, 2, 32000)
  
      resampler = resample.ResampleFrac(old_sr=32000, new_sr=48000)
      y = resampler(x)
      self.assertEqual(y.shape, (1, 2, 48000))
  
      # Test functional version as well
      y = resample.resample_frac(x, old_sr=32000, new_sr=48000)
      self.assertEqual(y.shape, (1, 2, 48000))
  
imports: import os
  import tempfile
  import uuid
  from pathlib import Path
  import math
  import random
  import unittest
  import resampy
  import torch
  from julius import resample, ResampleFrac
label_desc: Use image node_id 5 for calling the TestResampleFrac obj's underlying member method code with example usage: obj.test_default_output_length() without return types