code: def test_solve(self):
      self.check_x((4, 4), (4,))
      self.check_x((5, 5), (5, 2))
      self.check_x(
          (2, 4, 4),
          (
              2,
              4,
          ),
      )
      self.check_x((2, 5, 5), (2, 5, 2))
      self.check_x(
          (2, 3, 2, 2),
          (
              2,
              3,
              2,
          ),
      )
      self.check_x((2, 3, 3, 3), (2, 3, 3, 2))
      self.check_x((0, 0), (0,))
      self.check_x((0, 0), (0, 2))
      self.check_x(
          (0, 2, 2),
          (
              0,
              2,
          ),
      )
      self.check_x((0, 2, 2), (0, 2, 3))
  
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 TestSolve obj's underlying member method code with example usage: obj.test_solve() without return types