From 5b2781aec278ee4229e342cab995669f82f4cf47 Mon Sep 17 00:00:00 2001
From: Corey Johnson <cj@github.com>
Date: Tue, 10 Jul 2012 15:05:29 -0700
Subject: [PATCH] waitsForPromise can wait for calls to fail

---
 spec/spec-helper.coffee | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spec/spec-helper.coffee b/spec/spec-helper.coffee
index 5ff852fcc..b6d232993 100644
--- a/spec/spec-helper.coffee
+++ b/spec/spec-helper.coffee
@@ -90,7 +90,8 @@ window.mousemoveEvent = (properties={}) ->
 
 window.waitsForPromise = (fn) ->
   window.waitsFor (moveOn) ->
-    fn().done(moveOn)
+    promise = fn()
+    promise.then promise.done(moveOn), promise.fail(moveOn)
 
 window.resetTimeouts = ->
   window.now = 0