diff --git a/test/runtests.jl b/test/runtests.jl
index e60250ab..e3c1bf29 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -3978,3 +3978,5 @@ do_test("Base signatures") && @testset "Base signatures" begin
     # Using the extensive repository of code in Base as a testbed
     include("sigtest.jl")
 end
+
+include("fake_lang/non_jl_test.jl")