Bug 1354761 - Avoid calling goNext inside BTU.withNewTab in browser_popupNotification_keyboard.js. r=Nihanth

This was likely the cause of intermittent failures reporting dangling tabs at the end of the test.

MozReview-Commit-ID: Cq07ALUGiFI

--HG--
extra : rebase_source : 92abf61b4e4638629c4cc0bbfd98dd7a60e7c68d

browser/base/content/test/popupNotifications/browser_popupNotification_keyboard.js

@@ -201,8 +201,8 @@ var tests = [
         });
 
         notification.remove();
-        goNext();
       });
+      goNext();
     },
   },
 ];