code: def layer(self):
      import theano.tensor as T
      from lasagne.layers.merge import ElemwiseMergeLayer
  
      return ElemwiseMergeLayer(
          [Mock(), Mock()], merge_function=T.maximum
      )
  
imports: from mock import Mock
  import numpy
  import pytest
  import theano
label_desc: Use image node_id 1 for calling the TestElemwiseMergeLayerMaximum obj's underlying member method code with example usage: obj.layer() and returns: ElemwiseMergeLayer