code: def test_dim_None(self, RandomizedRectifierLayer):
      import lasagne
  
      l_in = lasagne.layers.input.InputLayer((None, 3, 28, 28))
      layer = RandomizedRectifierLayer(l_in)
      input = np.ones((3, 3, 28, 28)).astype(theano.config.floatX)
      out = layer.get_output_for(input).eval()
      assert np.allclose(out, 1.0)
  
imports: from mock import Mock
  import numpy
  import pytest
  import theano
  from lasagne.layers import InputLayer, standardize, get_output, get_all_params
  from lasagne.utils import floatX
label_desc: Use image node_id 6 for calling the TestRandomizedRectifierLayer obj's underlying member method code with example usage: obj.test_dim_None(RandomizedRectifierLayer) without return types