code: def test_svd_rank3_loop(self):
      # This tests the loop-based batched gesvd on CUDA (_gesvd_batched)
      self.check_usv((2, 64, 64))
      self.check_usv((2, 64, 32))
      self.check_usv((2, 32, 64))
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupyx import cusolver
  from cupy.cuda import driver
  from cupy.cuda import runtime
  from cupy.linalg import _util
  from cupy import testing
  from cupy.testing import _condition
  import cupyx
label_desc: Use image node_id 9 for calling the TestSVD obj's underlying member method code with example usage: obj.test_svd_rank3_loop() without return types