Bug 1544810 - Disable browser_sanitize.js on windows due to frequent failures. r=jmaher

Differential Revision: https://phabricator.services.mozilla.com/D29086

--HG--
extra : moz-landing-system : lando

browser/components/originattributes/test/browser/browser.ini

@@ -87,4 +87,5 @@ skip-if = verify
 [browser_permissions.js]
 [browser_postMessage.js]
 [browser_sanitize.js]
+skip-if = (os == 'win') #Bug 1544810
 [browser_windowOpenerRestriction.js]