diff --git a/test/runtests.jl b/test/runtests.jl
index 5e0bed4c7..f5b3c2d22 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -110,6 +110,9 @@ end
         @time @safetestset "Partial Functions" begin
             include("downstream/partial_functions.jl")
         end
+        @time @safetestset "Autodiff Observable Functions" begin
+            include("downstream/observables_autodiff.jl")
+        end
     end
 
     if !is_APPVEYOR && (GROUP == "Downstream" || GROUP == "SymbolicIndexingInterface")