Issue 6822 - Report browser test errors

test/browser/_bootstrap.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 67 matching lines @@
           window._consoleLogs.failures += failures.length;
           console.log(
             "\n" +
             bold(error("FAILURES: ")) +
             failures.length + "/" + assertions.length + " assertions failed"
           );
         }
         else
         {
           console.log(
-            "\n" + bold(ok("OK: ")) +
-            assertions.length + " assertions (" + assertions.duration + "ms)"

[Sebastian Noack, 2018/09/19 08:16:51]

Nit: Perhaps use a template string here.

[hub, 2018/09/20 00:19:56]

Done.

+            `\n ${bold(ok("OK: "))}${assertions.length} assertions (${assertions.duration}ms)`
           );
         }
 
         resolve();
       }
     });
   });
 }
 
 module.exports = runTests;