b=432954, disable reftest 413292-1.html; r=roc

layout/reftests/bugs/reftest.list

@@ -756,7 +756,7 @@ fails == 413027-3.html 413027-3-ref.html
 == 413286-4b.html 413286-4-ref.html 
 == 413286-5.html 413286-5-ref.html 
 == 413286-6.html 413286-6-ref.html 
-== 413292-1.html 413292-1-ref.html
+skip-if(MOZ_WIDGET_TOOLKIT=="cocoa") == 413292-1.html 413292-1-ref.html # disabling due to failure loading on some mac tinderboxes. See bug 432954
 == 413361-1.html 413361-1-ref.html
 == 413840-background-unchanged.html 413840-background-unchanged-ref.html
 == 413840-ltr-offsets.html 413840-ltr-offsets-ref.html