bigger tolerance on updatemenus_test width test

Author: alexcjohnson

test/jasmine/tests/updatemenus_test.js

@@ -698,7 +698,7 @@ describe('update menus interactions', function() {
 
         // must compare with a tolerance as the exact result
         // is browser/font dependent (via getBBox)
-        expect(Math.abs(actualWidth - width)).toBeLessThan(12);
+        expect(Math.abs(actualWidth - width)).toBeLessThan(16);
 
         // height is determined by 'fontsize',
         // so no such tolerance is needed