Bug 1499286 - Temporarily switch off failing testLocalICS.js on Linux. rs=bustage-fix

calendar/test/mozmill/testLocalICS.js

@@ -86,6 +86,7 @@ function testLocalICS() {
 
     controller.assertJS(str.value.includes("SUMMARY:" + calendarTitle));
 }
+testLocalICS.EXCLUDED_PLATFORMS = ["linux"];
 
 function teardownTest(module) {
     deleteCalendars(controller, calendarName);