Mark hessian_reverse tests unbroken

test/utils.jl

@@ -2,14 +2,8 @@ using ForwardDiff
 using Zygote: hessian_dual, hessian_reverse
 
 @testset "hessian: $hess" for hess in [hessian_dual, hessian_reverse]
-
-  if hess == hessian_dual
-    @test hess(x -> x[1]*x[2], randn(2)) ≈ [0 1; 1 0]
-    @test hess(((x,y),) -> x*y, randn(2)) ≈ [0 1; 1 0]  # original docstring version
-  else
-    @test_broken hess(x -> x[1]*x[2], randn(2)) ≈ [0 1; 1 0]  # can't differentiate ∇getindex
-    @test_broken hess(((x,y),) -> x*y, randn(2)) ≈ [0 1; 1 0]
-  end
+  @test hess(x -> x[1]*x[2], randn(2)) ≈ [0 1; 1 0]
+  @test hess(((x,y),) -> x*y, randn(2)) ≈ [0 1; 1 0]  # original docstring version
   @test hess(x -> sum(x.^3), [1 2; 3 4]) ≈ Diagonal([6, 18, 12, 24])
   @test hess(sin, pi/2) ≈ -1