code: def setUp(self):
      class Model(chainer.Chain):
          def __init__(self, ops, args, input_argname):
              super(Model, self).__init__()
              self.ops = ops
              self.args = args
              self.input_argname = input_argname
  
          def __call__(self, x):
              self.args[self.input_argname] = x
              return self.ops(**self.args)
  
      ops = getattr(F, self.name)
      self.model = Model(ops, self.args, self.input_argname)
      self.x = input_generator.increasing(2, 5, 3, 3)
  
imports: import chainer
  import chainer.functions
  import chainer.links
  from chainer import testing
  import numpy
  from onnx_chainer.testing import input_generator
  from onnx_chainer_tests.helper import get_initializer_names
  from onnx_chainer_tests.helper import ONNXModelTest
label_desc: Use image node_id 1 for calling the TestNormalizations obj's underlying member method code with example usage: obj.setUp() and returns: self