feat: Use vitest instead of jest for ESM compatibility

packages/backend/test/setup/check-env-file.js

@@ -1,6 +1,8 @@
 import path from 'path';
 import fs from 'fs';
+import { fileURLToPath } from 'url';
 
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const testEnvFile = path.resolve(__dirname, '../../.env.test');
 
 if (!fs.existsSync(testEnvFile)) {

packages/backend/test/setup/global-hooks.js

@@ -1,6 +1,6 @@
 import { Model } from 'objection';
-import { client as knex } from '../../src/config/database';
-import logger from '../../src/helpers/logger';
+import { client as knex } from '../../src/config/database.js';
+import logger from '../../src/helpers/logger.js';
 
 global.beforeAll(async () => {
   global.knex = null;
@@ -22,8 +22,8 @@ global.afterEach(async () => {
   await global.knex.rollback();
   Model.knex(knex);
 
-  jest.restoreAllMocks();
-  jest.clearAllMocks();
+  // jest.restoreAllMocks();
+  // jest.clearAllMocks();
 });
 
 global.afterAll(async () => {

packages/backend/test/setup/global-teardown.ts

@@ -1,5 +0,0 @@
-const exitProcess = (): void => {
-  process.exit(0);
-};
-
-export default exitProcess;

packages/backend/test/setup/prepare-test-env.js

@@ -1,8 +1,8 @@
-import './check-env-file';
-import { createDatabaseAndUser } from '../../bin/database/utils';
-import { client as knex } from '../../src/config/database';
-import logger from '../../src/helpers/logger';
-import appConfig from '../../src/config/app';
+import './check-env-file.js';
+import { createDatabaseAndUser } from '../../bin/database/utils.js';
+import { client as knex } from '../../src/config/database.js';
+import logger from '../../src/helpers/logger.js';
+import appConfig from '../../src/config/app.js';
 
 const createAndMigrateDatabase = async () => {
   if (!appConfig.CI) {