test(server): make server testing utils (#5544)

packages/backend/server/src/modules/quota/index.ts

@@ -12,6 +12,7 @@ import { QuotaManagementService } from './storage';
  * - quota statistics
  */
 @Module({
+  // FIXME: Quota really need to know `Storage`?
   imports: [StorageModule],
   providers: [PermissionService, QuotaService, QuotaManagementService],
   exports: [QuotaService, QuotaManagementService],

packages/backend/server/src/modules/storage/__tests__/fs.spec.ts

@@ -101,7 +101,7 @@ test('list recursively', async t => {
   t.is(r5.length, 20);
 });
 
-test.only('delete', async t => {
+test('delete', async t => {
   const provider = createProvider();
   const key = 'testKey';
   const body = Buffer.from('testBody');