Update test/cuda/layers.jl

Author: CarloLucibello

test/cuda/layers.jl

@@ -130,7 +130,7 @@ end
   b = Flux.Bilinear(10, 2, 3) |> gpu
   @test size(b(x,y)) == (3,9)
   @test sum(abs2, b(x,y)) ≈ 0f0
-  @test_nowarn gs_gpu = gradient(() -> sum(abs2.(b(x,y))), params(b))
+  gs_gpu = gradient(() -> sum(abs2.(b(x, y))), params(b))
   b_cpu, x_cpu, y_cpu = b |> cpu, x |> cpu, y |> cpu
   gs_cpu = gradient(() -> sum(abs2.(b_cpu(x_cpu, y_cpu))), params(b_cpu))
   @test gs_cpu ≈ Array(gs_gpu)