spelling: multiple

Author: jsoref

test/unit/styling-cross-scope-var.html

@@ -814,7 +814,7 @@
     xKeyframes.animated = true;
   });
 
-  test('mutiple elements in document', function() {
+  test('multiple elements in document', function() {
     var e$ = document.querySelectorAll('simple-element');
     assertComputed(e$[0].$.inner, '10px');
     assertComputed(e$[1].$.inner, '10px');