code: def check_forward(self, x, output_shape):
      y = functions.resize_images(x, output_shape)
      testing.assert_allclose(y.data, self.out)
  
imports: import unittest
  import numpy
  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 2 for calling the TestResizeImagesForwardMultiLinesAlignCorners obj's underlying member method code with example usage: obj.check_forward(x, output_shape) without return types