Noissue - Fix the escaping of '{' and '}' in CSS selectors

test/filterClasses.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 373 matching lines @@
   test.done();
 };
 
 exports.testElemHideRulesWithBraces = function(test)
 {
   compareFilter(
     test, "###foo{color: red}", [
       "type=elemhide",
       "text=###foo{color: red}",
       "selectorDomain=",
-      "selector=#foo\\x7B color: red\\x7D ",
+      "selector=#foo\\7B color: red\\7D ",
       "domains="
     ]
   );
   compareFilter(
     test, "foo.com#?#:-abp-properties(/margin: [3-4]{2}/)", [
       "type=elemhideemulation",
       "text=foo.com#?#:-abp-properties(/margin: [3-4]{2}/)",
       "selectorDomain=foo.com",
-      "selector=:-abp-properties(/margin: [3-4]\\x7B 2\\x7D /)",
+      "selector=:-abp-properties(/margin: [3-4]\\7B 2\\7D /)",
       "domains=FOO.COM"
     ]
   );
   test.done();
 };