code: def setUp(self):
      self._config_user = chainer.using_config("dtype", self.dtype)
      self._config_user.__enter__()
  
      shape = (10, 5)
      self.x = numpy.random.uniform(-1, 1, shape).astype(self.dtype)
      # Avoid values around -1.0 for stability
      self.x[numpy.logical_and(-1.01 < self.x, self.x < -0.99)] = 0.5
      self.t = numpy.random.randint(0, shape[1], shape[:1]).astype(
          self.label_dtype
      )
      if self.reduce == "no":
          self.gy = numpy.random.uniform(-1, 1, self.x.shape).astype(
              self.dtype
          )
  
imports: import unittest
  import numpy
  import six
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import functions
  from chainer import gradient_check
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 1 for calling the TestHinge obj's underlying member method code with example usage: obj.setUp() without return types