Update test server debug output

react/test-server.js

@@ -26,11 +26,13 @@ io.on('connection', socket => {
   });
 
   socket.on('request', data => {
-    console.log('requested')
+    console.log('requested: ' + socket.id)
+    console.log(socket.rooms)
     console.log(data);
 
     let room = data.username;
 
+    console.log(`socket.to(${room}).emit('requested')`);
     socket.to(room).emit('requested');
 
     setTimeout(() => {
@@ -40,7 +42,7 @@ io.on('connection', socket => {
   });
 
   socket.on('disconnect', () => {
-    console.log('disconnect');
+    console.log('disconnect: ' + socket.id);
   });
 });