code: def test_get_output_shape_for(
      self, layerclass, width, input_shape, output_shape
  ):
      layer = layerclass(Mock(output_shape=(None,)), width=width)
      assert layer.get_output_shape_for(input_shape) == output_shape
  
imports: import numpy
  import pytest
  import theano
  from mock import Mock
label_desc: Use image node_id 2 for calling the TestPadLayer obj's underlying member method code with example usage: obj.test_get_output_shape_for(layerclass, width, input_shape, output_shape) without return types