code: def test_shaped_initializer(self, backend_config):
      with chainer.using_device(backend_config.device):
          self.check_shaped_initializer(backend_config)
  
imports: import unittest
  import numpy
  import chainer
  from chainer import backend
  from chainer import initializers
  from chainer import testing
label_desc: Use image node_id 5 for calling the TestConstant obj's underlying member method code with example usage: obj.test_shaped_initializer(backend_config) without return types