From 643b786911941682d1c534c169a4300dfe7253ac Mon Sep 17 00:00:00 2001
From: "Kent C. Dodds" <kent+github@doddsfamily.us>
Date: Tue, 16 Jun 2015 00:02:30 -0600
Subject: [PATCH] docs(guide/Unit Testing): update $filter test example

The $filter example never declares `$filter` and therefore would add `$filter` to the global namespace. Add variable declaration.
---
 docs/content/guide/unit-testing.ngdoc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/content/guide/unit-testing.ngdoc b/docs/content/guide/unit-testing.ngdoc
index 25ffcb9c0c19..e17ca02d4bee 100644
--- a/docs/content/guide/unit-testing.ngdoc
+++ b/docs/content/guide/unit-testing.ngdoc
@@ -261,8 +261,10 @@ myModule.filter('length', function() {
 
 describe('length filter', function() {
 
+  var $filter;
+
   beforeEach(inject(function(_$filter_){
-    $filter= _$filter_;
+    $filter = _$filter_;
   }));
 
   it('returns 0 when given null', function() {