fix: remove watch mode from tests for CI compatibility

Author: Clic-stack

email-api/package.json

@@ -4,7 +4,7 @@
   "scripts": {
     "dev": "node --watch --env-file=.env src/server.js",
     "start": "node src/server.js",
-    "test": "jest --watchAll --detectOpenHandles --forceExit"
+    "test": "jest --detectOpenHandles --forceExit"
   },
   "type": "module",
   "dependencies": {