Ax/scrum 181 Speed up test execution and fix address already in use :::8081 local testing error (#151)

Author: Austin-X

course-matrix/backend/package.json

@@ -5,7 +5,7 @@
   "main": "src/index.ts",
   "scripts": {
     "dev": "ts-node -r dotenv/config src/index.ts",
-    "test": "jest",
+    "test": "jest --runInBand",
     "test:watch": "jest --watch",
     "build": "vite build",
     "prod": "ts-node -r dotenv/config src/index.ts"

course-matrix/frontend/package.json

@@ -9,7 +9,7 @@
     "lint": "eslint .",
     "preview": "vite preview",
     "prod": "vite build && vite preview --port 5173",
-    "test": "jest",
+    "test": "jest --runInBand",
     "test:watch": "jest --watch"
   },
   "dependencies": {