code: def input_shape(self):
      return (2, 3, 1, 5, 7)
  
imports: import numpy
  import pytest
  import theano
  from mock import Mock
label_desc: Use image node_id 1 for calling the TestDimshuffleLayer obj's underlying member method code with example usage: obj.input_shape() and returns: int,  int,  int,  int,  int