code: def check_shape(self, a_shape, b_shape, error_type):
      for xp in (numpy, cupy):
          a = xp.random.rand(*a_shape)
          b = xp.random.rand(*b_shape)
          with pytest.raises(error_type):
              xp.linalg.solve(a, b)
  
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 5 for calling the TestSolve obj's underlying member method code with example usage: obj.check_shape(a_shape, b_shape, error_type) without return types