code: def test2DWindowOp(self, layout_spec, padding, op):
      np.random.seed(123)
      row_window_size = 3
      col_window_size = 4
      window_size = [1, row_window_size, col_window_size, 1]
      stride_size = [1, row_window_size - 1, col_window_size - 1, 1]
  
      num_rows = (row_window_size - 1) * 5 + 1
      num_cols = (col_window_size - 1) * 7 + 1
      x_in = np.random.normal(
          0.0, 1.0, 8 * num_rows * num_cols * 3
      ).reshape([8, num_rows, num_cols, 3])
  
      inputs = constant_op.constant(x_in, dtype=dtypes.float32)
      expected_result = op(inputs, window_size, stride_size, padding)
  
      if layout_spec == "replicated":
          layout = self.replicated_layout_4d
      else:
          layout = self.batch_layout_4d
  
      x = numpy_util.pack_numpy(inputs, layout)
      got = op(x, window_size, stride_size, padding)
      self.assertDTensorEqual(expected_result, layout, got)
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from tensorflow.dtensor.python import api
  from tensorflow.dtensor.python import layout
  from tensorflow.dtensor.python import numpy_util
  from tensorflow.dtensor.python.tests import test_util
  from tensorflow.dtensor.python.tests import test_util_ops
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.eager.polymorphic_function import polymorphic_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_array_ops
  from tensorflow.python.ops import gen_image_ops
  from tensorflow.python.ops import gen_linalg_ops
  from tensorflow.python.ops import nn_impl
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the DTensorBatchParallelSPMDTest obj's underlying member method code with example usage: obj.test2DWindowOp(layout_spec, padding, op) without return types