code: def test_ndarray(self):
      A = cp.array(self.A.A, dtype=self.dtype)
      b = cp.array(self.b, dtype=self.dtype)
      x = cupyx.linalg.sparse.lschol(A, b)
      testing.assert_array_almost_equal(x, self.x, decimal=self.decimal)
  
file_path: cupy/tests/cupyx_tests/linalg_tests/sparse_tests/test_solve.py
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupy.testing import _condition
  import cupyx
  import cupyx.scipy.sparse
label_desc: Use image node_id 5 for calling the TestLschol obj's underlying member method code with example usage: obj.test_ndarray() without return types