code: def test_tensorinv(self):
      self.check_x((12, 3, 4), ind=1)
      self.check_x((3, 8, 24), ind=2)
      self.check_x((18, 3, 3, 2), ind=1)
      self.check_x((1, 4, 2, 2), ind=2)
      self.check_x((2, 3, 5, 30), ind=3)
      self.check_x((24, 2, 2, 3, 2), ind=1)
      self.check_x((3, 4, 2, 3, 2), ind=2)
      self.check_x((1, 2, 3, 2, 3), ind=3)
      self.check_x((3, 2, 1, 2, 12), ind=4)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupy.testing import _condition
  import cupyx
  from cupy.cublas import get_batched_gesv_limit, set_batched_gesv_limit
label_desc: Use image node_id 4 for calling the TestTensorInv obj's underlying member method code with example usage: obj.test_tensorinv() without return types