Bug 493976. Move around Arabic reftest to see if it's the cause of reftest timeout problems.

layout/reftests/font-face/reftest.list

@@ -36,11 +36,7 @@ skip HTTP(..) == src-list-local-localized.html src-list-local-localized-ref.html
 
 # Postscript name lookup only supported on MacOS currently
 random-if(MOZ_WIDGET_TOOLKIT!="cocoa") == src-list-local-ps.html src-list-local-full-ref.html
-skip-if(MOZ_WIDGET_TOOLKIT!="cocoa") == helveticaneue-ultra.html helveticaneue-ultra-ref.html # 493976
-
-# Arabic support requires AAT fonts under Mac OS, OpenType otherwise
-random-if(MOZ_WIDGET_TOOLKIT!="cocoa") HTTP(..) == src-format-arabic.html src-format-arabic-aat-ref.html
-random-if(MOZ_WIDGET_TOOLKIT=="cocoa") HTTP(..) == src-format-arabic.html src-format-arabic-ot-ref.html
+random-if(MOZ_WIDGET_TOOLKIT!="cocoa") == helveticaneue-ultra.html helveticaneue-ultra-ref.html
 
 # FIXME: The behavior here is neither mandated nor specified by the spec, but
 # it really ought to be.
@@ -83,6 +79,11 @@ HTTP(..) == ahem-metrics-1.html ahem-metrics-1-ref.html
 HTTP(..) == ex-unit-1.html ex-unit-1-ref.html
 HTTP(..) == ex-unit-1-dynamic.html ex-unit-1-ref.html
 
+# bug 493976 - testing to see if tinderbox timeouts are really due to this test or not (i.e. reftest whack-a-mole)
+# Arabic support requires AAT fonts under Mac OS, OpenType otherwise
+random-if(MOZ_WIDGET_TOOLKIT!="cocoa") HTTP(..) == src-format-arabic.html src-format-arabic-aat-ref.html
+random-if(MOZ_WIDGET_TOOLKIT=="cocoa") HTTP(..) == src-format-arabic.html src-format-arabic-ot-ref.html
+
 == local-1.html local-1-ref.html
 HTTP(..) == synthetic-weight-style.html synthetic-weight-style-ref.html
 random-if(MOZ_WIDGET_TOOLKIT=="gtk2") HTTP(..) == synthetic-variations.html synthetic-variations-ref.html # bug 419962