implement admin db testing

chat/public/admin-plans.html

@@ -31,6 +31,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -97,4 +98,4 @@
   </div>
   <script src="/admin.js"></script>
 </body>
-</html>
+</html>