test: remove roles and permission with global before all hook

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

@@ -5,6 +5,9 @@ import logger from '../../src/helpers/logger';
 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 () => {