code: def test_dim0_raises(self):
      from lasagne.layers.shape import FlattenLayer
  
      with pytest.raises(ValueError):
          FlattenLayer((2, 3, 4), outdim=0)
  
imports: import numpy
  import pytest
  import theano
  from mock import Mock
label_desc: Use image node_id 11 for calling the TestFlattenLayer obj's underlying member method code with example usage: obj.test_dim0_raises() without return types