code: def test_multiple_outputs(self):
      model = self.get_model(use_bn=self.use_bn, out_type=self.out_type)
      x = np.zeros((1, 3, 32, 32), dtype=np.float32)
      name = "multipleoutput_" + self.condition
      output_names = getattr(self, "output_names", None)
      self.expect(model, x, name=name, output_names=output_names)
  
imports: import unittest
  import chainer
  import chainer.functions
  import chainer.links
  from chainer import testing
  import numpy
  import pytest
  from onnx_chainer import export
  from onnx_chainer.export import RetainInputHook
  from onnx_chainer.testing import input_generator
  from onnx_chainer_tests.helper import ONNXModelTest
label_desc: Use image node_id 2 for calling the TestMultipleOutput obj's underlying member method code with example usage: obj.test_multiple_outputs() without return types