code: def test_infer_shape(self):
      rng = np.random.RandomState(43)
  
      x = dmatrix()
      y = dmatrix()
  
      # adapt the choice of the next instruction to the op under test
  
      self._compile_and_check(
          [x, y],
          self.op_class()(x, y),
          [rng.random((5, 6)), rng.random((5, 6))],
          self.op_class,
      )
  
imports: import unittest
  import pytensor
  from pytensor.graph.basic import Apply
  from pytensor.graph.op import Op
  from pytensor.tensor.type import TensorType
  from tests import unittest_tools
  from pytensor import tensor
  from pytensor.graph.basic import Apply
  from pytensor.tensor.type import dmatrix, matrix
  import numpy
  import pytensor
  from pytensor.compile.ops import as_op
label_desc: Use image node_id 4 for calling the TestSumDiffOp obj's underlying member method code with example usage: obj.test_infer_shape() without return types