Enable the GpuSplit tests

theano/sandbox/cuda/tests/test_basic_ops.py

@@ -973,8 +973,7 @@ class T_Join_and_Split(theano.tensor.tests.test_basic.T_Join_and_Split):
         utt.seed_rng()
         self.mode = mode_with_gpu.excluding('constant_folding')
         self.join_op = cuda.GpuJoin()
-        # No gpu split.
-        self.split_op_class = tensor.Split
+        self.split_op_class = cuda.GpuSplit
         # No Make vector on the gpu, Join used instead
         self.make_vector_op = cuda.GpuJoin()
         self.floatX = "float32"