code: def test_3d_dict_twopad_shape(self):
      input_param = {"image_name": ("image",), "border": (3, 3)}
      self.run_test(False, input_param, (19, 20, 10, 8))
      self.run_inverse_test(False, input_param, (7, 8, 10, 8))
  
imports: from __future__ import absolute_import, print_function
  import numpy
  import tensorflow
  from niftynet.layer.pad import PadLayer
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 10 for calling the PaddingTest obj's underlying member method code with example usage: obj.test_3d_dict_twopad_shape() without return types