chore(development): add dev mode, update packages and test framework

test/app.test.ts

@@ -2,6 +2,7 @@
 import assert from 'assert';
 import axios from 'axios';
 import type { Server } from 'http';
+import { describe, it, beforeAll, afterAll } from 'vitest';
 import { app } from '../src/app';
 
 const port = app.get('port');
@@ -10,11 +11,11 @@ const appUrl = `http://${app.get('host')}:${port}`;
 describe('Feathers application tests', () => {
     let server: Server;
 
-    before(async () => {
+    beforeAll(async () => {
         server = await app.listen(port);
     });
 
-    after(async () => {
+    afterAll(async () => {
         await app.teardown();
     });
 

test/ui.test.ts

@@ -1,11 +1,12 @@
 import assert from 'assert';
 import fs from 'fs';
 import path from 'path';
+import { describe, it, beforeAll } from 'vitest';
 
 describe('UI tests', () => {
     let html: string;
 
-    before(async () => {
+    beforeAll(async () => {
         // Load the HTML file
         const htmlPath = path.join(__dirname, '../public/index.html');
         html = fs.readFileSync(htmlPath, 'utf8');