code: def setUp(self):
      class Model(chainer.Chain):
          def __init__(self, link, args, kwargs):
              super(Model, self).__init__()
              with self.init_scope():
                  self.l1 = link(*args, **kwargs)
  
          def __call__(self, x):
              return self.l1(x)
  
      self.model = Model(self.link, self.args, self.kwargs)
      if self.link is L.EmbedID:
          self.x = np.random.randint(
              0, self.args[0], size=self.in_shape
          )
          self.x = self.x.astype(self.in_type)
      else:
          self.x = input_generator.increasing(
              *self.in_shape, dtype=self.in_type
          )
  
file_path: chainer/tests/onnx_chainer_tests/functions_tests/test_connections.py
imports: import chainer
  import chainer.links
  from chainer import testing
  import numpy
  from onnx_chainer.testing import input_generator
  from onnx_chainer_tests.helper import ONNXModelTest
label_desc: Use image node_id 1 for calling the TestConnections obj's underlying member method code with example usage: obj.setUp() and returns: self