Bug 912717 - Tiny follow-up to fix ESLint bustage caused by a test file r=bustage

browser/components/sessionstore/test/browser_cookies_privacy.js

@@ -20,7 +20,7 @@ function createTestCookie(scheme, secure = false) {
     path: "/",
     name: `name${r}`,
     value: `value${r}`,
-    secure: secure
+    secure
   };
 
   return cookie;