Bug 1450850 - Disable font-matching/1394311.htm on Windows 7 for frequent failures. r=jmaher

--HG--
extra : rebase_source : ba34a583da86957dc161d6f0e6c7df4138e5f4a4

layout/reftests/font-matching/reftest.list

@@ -10,7 +10,7 @@ default-preferences pref(gfx.font_loader.delay,0)
 # (First attempt is random-if(windows 7), due to intermittent failure with a
 # single missing character - see bug 1451723 & more generally bug 1392106.)
 pref(font.default.zh-CN,"serif") pref(font.default.zh-TW,"serif") pref(font.default.ja,"serif") pref(font.default.ko,"serif") random-if(/^Windows\x20NT\x206\.1/.test(http.oscpu)) == 1394311.htm 1394311-ref.htm
-pref(font.default.zh-CN,"sans-serif") pref(font.default.zh-TW,"sans-serif") pref(font.default.ja,"sans-serif") pref(font.default.ko,"sans-serif") == 1394311.htm 1394311-ref.htm
+pref(font.default.zh-CN,"sans-serif") pref(font.default.zh-TW,"sans-serif") pref(font.default.ja,"sans-serif") pref(font.default.ko,"sans-serif") skip-if(winWidget&&/^Windows\x20NT\x206\.1/.test(http.oscpu)) == 1394311.htm 1394311-ref.htm
 
 # tests for bug 1367860 (correct default generic font based on language)
 == 1367860-1.htm 1367860-ref.htm