code: def layer(self):
      from lasagne.layers.normalization import StandardizationLayer
  
      input_shape = (2, 3, 4)
      layer = StandardizationLayer(input_shape)
      return layer
  
imports: from mock import Mock
  import numpy
  import pytest
  import theano
label_desc: Use image node_id 1 for calling the TestStandardizationLayer obj's underlying member method code with example usage: obj.layer() and returns: layer