From 76a5fdc54027ec76efa66749bf2c444bed0702cb Mon Sep 17 00:00:00 2001
From: Mike North <michael.l.north@gmail.com>
Date: Mon, 17 Sep 2018 09:12:01 -0700
Subject: [PATCH] [ember] Relax observable tests - Fixes #28942

---
 types/ember__object/test/observable.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/ember__object/test/observable.ts b/types/ember__object/test/observable.ts
index baa8e3d09a..aa41889d24 100644
--- a/types/ember__object/test/observable.ts
+++ b/types/ember__object/test/observable.ts
@@ -24,7 +24,7 @@ class MyComponent extends EmberObject {
         removeObserver(this, 'foo', lambda);
     }
 
-    fooDidChange(sender: this, key: keyof this) {
+    fooDidChange(sender: this, key: string) {
         // your code
     }
 }