code: def test_invh(self, xp):
      a = self._create_symmetric_matrix(xp, self.size, self.dtype)
      if xp == cupy:
          return cupyx.linalg.invh(a)
      else:
          return numpy.linalg.inv(a)
  
file_path: cupy/tests/cupyx_tests/linalg_tests/test_solve.py
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy.cuda import runtime
  from cupyx import cusolver
  from cupy import testing
  import cupyx
label_desc: Use image node_id 1 for calling the TestInvh obj's underlying member method code with example usage: obj.test_invh(xp) and returns: cupyx, numpy