code: def test_init(self, layer_vars):
      layer = layer_vars["layer"]
      assert (layer.W.get_value() == layer_vars["W"].return_value).all()
      assert (layer.b.get_value() == layer_vars["b"].return_value).all()
      layer_vars["W"].assert_called_with((3, 5))
      layer_vars["b"].assert_called_with((5,))
  
imports: from mock import Mock
  import numpy
  import pytest
  import theano
  import lasagne
label_desc: Use image node_id 5 for calling the TestNINLayer obj's underlying member method code with example usage: obj.test_init(layer_vars) without return types