diff --git a/typed-racket-test/fail/define-new-subtype.rkt b/typed-racket-test/fail/define-new-subtype.rkt
index 4c5d8375..55246754 100644
--- a/typed-racket-test/fail/define-new-subtype.rkt
+++ b/typed-racket-test/fail/define-new-subtype.rkt
@@ -1,3 +1,5 @@
+#;
+(exn-pred #rx"expected: Radians.*given: Degrees")
 #lang typed/racket/base
 
 (require "../succeed/define-new-subtype.rkt")
diff --git a/typed-racket-test/fail/issue-169-1.rkt b/typed-racket-test/fail/issue-169-1.rkt
index 3827741b..5f6eaa7c 100644
--- a/typed-racket-test/fail/issue-169-1.rkt
+++ b/typed-racket-test/fail/issue-169-1.rkt
@@ -1,3 +1,5 @@
+#;
+(exn-pred #rx"expected: \\(Listof Nothing\\).*given: \\(Listof Pos\\*\\)")
 #lang typed/racket
 (define-type Pos Integer)
 (define-new-subtype Pos* (p Pos))
diff --git a/typed-racket-test/fail/issue-169-2.rkt b/typed-racket-test/fail/issue-169-2.rkt
index 08b7f4bd..fbb99eb0 100644
--- a/typed-racket-test/fail/issue-169-2.rkt
+++ b/typed-racket-test/fail/issue-169-2.rkt
@@ -1,3 +1,5 @@
+#;
+(exn-pred #rx"expected: \\(Listof Nothing\\).*given: \\(Listof Pos\\*\\)")
 #lang typed/racket
 (define-type Pos Integer)
 (define-new-subtype Pos* (p Pos))