feat: user usage gql & test case improve (#5076)

packages/backend/server/tests/mailer.e2e.ts

@@ -11,16 +11,13 @@ import { PrismaClient } from '@prisma/client';
 import ava, { type TestFn } from 'ava';
 
 import { ConfigModule } from '../src/config';
-import {
-  collectMigrations,
-  RevertCommand,
-  RunCommand,
-} from '../src/data/commands/run';
+import { RevertCommand, RunCommand } from '../src/data/commands/run';
 import { GqlModule } from '../src/graphql.module';
 import { AuthModule } from '../src/modules/auth';
 import { AuthService } from '../src/modules/auth/service';
 import { PrismaModule } from '../src/prisma';
 import { RateLimiterModule } from '../src/throttler';
+import { initFeatureConfigs } from './utils';
 
 const test = ava as TestFn<{
   auth: AuthService;
@@ -55,11 +52,7 @@ test.beforeEach(async t => {
   t.context.auth = t.context.module.get(AuthService);
 
   // init features
-  const run = t.context.module.get(RunCommand);
-  const revert = t.context.module.get(RevertCommand);
-  const migrations = await collectMigrations();
-  await Promise.allSettled(migrations.map(m => revert.run([m.name])));
-  await run.run();
+  await initFeatureConfigs(t.context.module);
 });
 
 test.afterEach.always(async t => {