Smaller sizes for gradients

theano/tensor/tests/test_basic.py

@@ -2175,9 +2175,9 @@ BatchedDotTester = makeTester(
               correct7=(rand(3, 5), rand(3, 5)),
               correct8=(rand(3), rand(3)),
               correct9=(rand(3, 5, 7, 11), rand(3)),
-              correct10=(rand(3, 7, 11, 5), rand(3, 5)),
-              correct11=(rand(3, 7, 11, 5), rand(3, 5, 13)),
-              correct12=(rand(3, 7, 11, 5), rand(3, 13, 5, 17)),
+              correct10=(rand(3, 2, 6, 5), rand(3, 5)),
+              correct11=(rand(3, 2, 6, 5), rand(3, 5, 7)),
+              correct12=(rand(3, 2, 6, 5), rand(3, 7, 5, 8)),
               mixed1=(rand(3, 5).astype('float32'),
                       rand(3, 5, 7)),
               mixed2=(rand(3, 5).astype('float64'),