Testing updates

- Added client tests, started with the pdabHandler interactions
- Updated caps in socket server tests
- Updated pdabHandler with uniform 'guild_id'
- Updated pdabHandler with production check to launch or not launch the python client
-

client/package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "client.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "mocha --timeout 10000"
   },
   "keywords": [],
   "author": "",
@@ -24,6 +24,8 @@
     "socket.io-client": "^4.7.2"
   },
   "devDependencies": {
+    "chai": "^5.1.0",
+    "mocha": "^10.4.0",
     "typescript": "^5.3.3"
   }
 }