Update '12/index_test.html'

12/index_test.html

@@ -243,7 +243,7 @@
             player(document.querySelector("#week_03"));
             liveplayer(document.querySelector("#week_04")); 
             document.querySelector("#iframe").addEventListener("load",function(){
-            document.querySelector("#shell_03").classList.remove("hidden");                                                 
+            document.querySelector("#resources").classList.remove("hidden");                                                 
 			});     
             document.querySelector("#iframe2").addEventListener("load",function(){
             document.querySelector("#etherpad").classList.remove("hidden");