Update gpuarray/cuda pooling tests.

Now use the CPU implementation as the reference (and other changes).

Update gpuarray/cuda pooling tests.
19c1624f · Gijs van Tulder · 8150bbd3 · 19c1624f · 19c1624f
--- a/theano/gpuarray/tests/test_dnn.py
+++ b/theano/gpuarray/tests/test_dnn.py
--- a/theano/sandbox/cuda/tests/test_dnn.py
+++ b/theano/sandbox/cuda/tests/test_dnn.py