Corrected Group Size In Batch Norm Test For Group Norm

test/layers/normalisation.jl

@@ -305,7 +305,7 @@ end
   end
 
   # show that group norm is the same as batch norm for a group of size 1 and batch of size 1
-  let BN = BatchNorm(4), GN = GroupNorm(4,1), sizes = (2,2,3,4,1),
+  let BN = BatchNorm(4), GN = GroupNorm(4,4), sizes = (2,2,3,4,1),
       x = param(reshape(collect(1:prod(sizes)), sizes))
     @test BN(x) ≈ GN(x)
   end