Commenting out reftest since it fails on Mac (qm-xserve01).

layout/reftests/bugs/reftest.list

@@ -618,7 +618,7 @@ skip-if(MOZ_WIDGET_TOOLKIT!="windows") == 391045.html 391045-ref.html # windows-
 == 402567-2.html 402567-2-ref.html
 == 402567-3.html 402567-3-ref.html
 == 402567-4.html 402567-4-ref.html
-== 402807-1.html 402807-1-ref.html
+#== 402807-1.html 402807-1-ref.html # Fails on Mac (qm-xserve01)
 == 402950-1.html 402950-1-ref.html
 == 403129-1.html 403129-1-ref.html
 == 403129-2.html 403129-2-ref.html