feat: Use vitest instead of jest for ESM compatibility

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

@@ -0,0 +1,31 @@
+import { Model } from 'objection';
+import { client as knex } from '../../src/config/database.js';
+import logger from '../../src/helpers/logger.js';
+
+global.beforeAll(async () => {
+  global.knex = null;
+  logger.silent = true;
+
+  // Remove default roles and permissions before running the test suite
+  await knex.raw('TRUNCATE TABLE roles, permissions CASCADE');
+});
+
+global.beforeEach(async () => {
+  // It's assigned as global.knex for the convenience even though
+  // it's a transaction. It's rolled back after each test.
+  // by assigning to knex, we can use it as knex.table('example') in tests files.
+  global.knex = await knex.transaction();
+  Model.knex(global.knex);
+});
+
+global.afterEach(async () => {
+  await global.knex.rollback();
+  Model.knex(knex);
+
+  // jest.restoreAllMocks();
+  // jest.clearAllMocks();
+});
+
+global.afterAll(async () => {
+  logger.silent = false;
+});