Adding tests, bumping packages with audit warnings

package.json

@@ -75,16 +75,20 @@
     "@feathersjs/rest-client": "^5.0.8",
     "@types/cookie-parser": "^1.4.3",
     "@types/express-session": "^1.17.7",
+    "@types/jsdom": "^27.0.0",
     "@types/mocha": "^10.0.1",
     "@types/node": "^20.4.5",
     "@types/redis": "^4.0.11",
+    "@types/sinon": "^21.0.0",
     "cross-env": "^7.0.3",
     "husky": "^8.0.3",
+    "jsdom": "^27.0.1",
     "lint-staged": "^13.2.3",
     "mocha": "^10.2.0",
     "nodemon": "^3.0.1",
     "prettier": "^3.0.0",
     "shx": "^0.3.4",
+    "sinon": "^21.0.0",
     "ts-node": "^10.9.1",
     "typescript": "^5.1.6"
   },