code: def test_infer_dimensionality(self):
      from lasagne.layers.conv import BaseConvLayer
  
      shape = (10, 20, 30, 40, 50, 60)
      for n in range(1, 4):
          layer = BaseConvLayer(shape[: n + 2], 1, 3)
          assert layer.n == n
  
imports: import numpy
  import pytest
  import importlib
  import theano
  from theano import tensor
  import lasagne
  from lasagne.utils import floatX, as_tuple
label_desc: Use image node_id 1 for calling the TestBaseConvLayer obj's underlying member method code with example usage: obj.test_infer_dimensionality() without return types