code: def test_output(self):
      attr = None
      is_deco = False
      if self.func_kind == "list":
  
          def input_converter(xs):
              return ([xs[0], xs[1]],), {}
  
          def target_func(xs):
              return xs[0].array + xs[1].array
  
      elif self.func_kind == "list_kwargs":
  
          def input_converter(xs):
              return (), {"xs": [xs[0], xs[1]]}
  
          def target_func(xs=None):
              assert xs is not None
              return xs[0].array + xs[1].array
  
      elif self.func_kind == "var_with_deco":
  
          def input_converter(xs):
              return (xs,), {}
  
          @as_funcnode(
              "AddConstant", rename_attributes=[("b", "value")]
          )
          def target_func(x, b=0.01):
              return x.array + b
  
          is_deco = True
  
      elif self.func_kind == "var_kwargs":
  
          def input_converter(xs):
              return (), {"x": xs, "value": 0.02}
  
          def target_func(x=None, value=0.01):
              assert x is not None
              return x.array + value
  
      else:
          assert self.func_kind == "var"
  
          def input_converter(xs):
              return (xs, 0.01), {}
  
          def target_func(x, value):
              return x.array + value
  
          attr = [(1, "value")]
  
      model = self.get_model(target_func, input_converter)
      x = input_generator.increasing(*self.in_shape)
  
      if not is_deco:
          model.fn = fake_as_funcnode(
              model.fn, self.op_type, rename_attributes=attr
          )
  
      name = "replace_func_" + self.func_kind
      self.expect(model, x, name=name)
  
imports: import os
  import warnings
  import chainer
  import chainer.functions
  import chainer.links
  from chainer import testing
  import numpy
  import onnx
  import pytest
  from onnx_chainer import export
  from onnx_chainer import export_testcase
  from onnx_chainer import onnx_helper
  from onnx_chainer.replace_func import as_funcnode
  from onnx_chainer.replace_func import fake_as_funcnode
  from onnx_chainer.testing import input_generator
  from onnx_chainer_tests.helper import ONNXModelChecker
  from onnx_chainer_tests.helper import ONNXModelTest
label_desc: Use image node_id 2 for calling the TestReplaceFunc obj's underlying member method code with example usage: obj.test_output() and returns: list,  dict, unknown, ,  dict, unknown, xs,  dict, unknown, ,  dict, unknown, xs,  int,  dict, unknown