code: def test_global_pooling_repr(self):
      self.assertEqual(
          "Upscale((2, 3), name='upscale-1')",
          str(layers.Upscale((2, 3))),
      )
  
imports: from collections import namedtuple
  import numpy
  import tensorflow
  from neupy import layers
  from neupy.utils import asfloat
  from neupy.exceptions import LayerConnectionError
  from neupy.layers.pooling import pooling_output_shape
  from base import BaseTestCase
label_desc: Use image node_id 5 for calling the UpscaleLayersTestCase obj's underlying member method code with example usage: obj.test_global_pooling_repr() without return types