code: def test_trapz2d_float64(self):
      x = np.asarray(np.random.rand(5, 5), np.float64)
      x_gpu = gpuarray.to_gpu(x)
      z = integrate.trapz2d(x_gpu)
      np.testing.assert_allclose(np.trapz(np.trapz(x)), z)
  
imports: from unittest import main, TestCase, TestSuite
  import pycuda.driver
  import pycuda.gpuarray
  from pycuda.tools import clear_context_caches, make_default_context
  import numpy
  import skcuda.misc
  import skcuda.integrate
  import scipy.integrate
label_desc: Use image node_id 13 for calling the test_integrate obj's underlying member method code with example usage: obj.test_trapz2d_float64() without return types