enhance(backend): テストの高速化 (#12939)

* enhance(backend): テストの高速化

* add ls

* 自動的にマージされるようなので不要

* 起動方法を揃える

* fix test

22 files changed, 62 insertions, 236 deletions

diff --git a/packages/backend/test/e2e/2fa.ts b/packages/backend/test/e2e/2fa.ts
index dfed8b2fce..165a1055c9 100644
--- a/packages/backend/test/e2e/2fa.ts
+++ b/packages/backend/test/e2e/2fa.ts
@@ -10,7 +10,7 @@ import * as crypto from 'node:crypto';
 import cbor from 'cbor';
 import * as OTPAuth from 'otpauth';
 import { loadConfig } from '@/config.js';
-import { api, signup, startServer } from '../utils.js';
+import { api, signup } from '../utils.js';
 import type {
 	AuthenticationResponseJSON,
 	AuthenticatorAssertionResponseJSON,
@@ -19,11 +19,9 @@ import type {
 	PublicKeyCredentialRequestOptionsJSON,
 	RegistrationResponseJSON,
 } from '@simplewebauthn/typescript-types';
-import type { INestApplicationContext } from '@nestjs/common';
 import type * as misskey from 'misskey-js';
 
 describe('2要素認証', () => {
-	let app: INestApplicationContext;
 	let alice: misskey.entities.SignupResponse;
 
 	const config = loadConfig();
@@ -185,14 +183,9 @@ describe('2要素認証', () => {
 	};
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username, password });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('が設定でき、OTPでログインできる。', async () => {
 		const registerResponse = await api('/i/2fa/register', {
 			password,
diff --git a/packages/backend/test/e2e/antennas.ts b/packages/backend/test/e2e/antennas.ts
index 9bac5122d4..e63722b246 100644
--- a/packages/backend/test/e2e/antennas.ts
+++ b/packages/backend/test/e2e/antennas.ts
@@ -6,24 +6,20 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { inspect } from 'node:util';
 import { DEFAULT_POLICIES } from '@/core/RoleService.js';
 import type { Packed } from '@/misc/json-schema.js';
 import {
-	signup,
+	api,
+	failedApiCall,
 	post,
-	userList,
-	page,
 	role,
-	startServer,
-	api,
+	signup,
 	successfulApiCall,
-	failedApiCall,
-	uploadFile,
 	testPaginationConsistency,
+	uploadFile,
+	userList,
 } from '../utils.js';
 import type * as misskey from 'misskey-js';
-import type { INestApplicationContext } from '@nestjs/common';
 
 const compareBy = <T extends { id: string }>(selector: (s: T) => string = (s: T): string => s.id) => (a: T, b: T): number => {
 	return selector(a).localeCompare(selector(b));
@@ -54,8 +50,6 @@ describe('アンテナ', () => {
 		withReplies: false,
 	};
 
-	let app: INestApplicationContext;
-
 	let root: User;
 	let alice: User;
 	let bob: User;
@@ -80,10 +74,6 @@ describe('アンテナ', () => {
 	let userMutedByAlice: User;
 
 	beforeAll(async () => {
-		app = await startServer();
-	}, 1000 * 60 * 2);
-
-	beforeAll(async () => {
 		root = await signup({ username: 'root' });
 		alice = await signup({ username: 'alice' });
 		alicePost = await post(alice, { text: 'test' });
@@ -136,10 +126,6 @@ describe('アンテナ', () => {
 		await api('mute/create', { userId: userMutedByAlice.id }, alice);
 	}, 1000 * 60 * 10);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	beforeEach(async () => {
 		// テスト間で影響し合わないように毎回全部消す。
 		for (const user of [alice, bob]) {
diff --git a/packages/backend/test/e2e/api-visibility.ts b/packages/backend/test/e2e/api-visibility.ts
index afe4f9c05a..89d8b42271 100644
--- a/packages/backend/test/e2e/api-visibility.ts
+++ b/packages/backend/test/e2e/api-visibility.ts
@@ -6,21 +6,10 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, post, startServer } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, post, signup } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('API visibility', () => {
-	let app: INestApplicationContext;
-
-	beforeAll(async () => {
-		app = await startServer();
-	}, 1000 * 60 * 2);
-
-	afterAll(async () => {
-		await app.close();
-	});
-
 	describe('Note visibility', () => {
 		//#region vars
 		/** ヒロイン */
diff --git a/packages/backend/test/e2e/api.ts b/packages/backend/test/e2e/api.ts
index ad351eebbb..25d5bdb175 100644
--- a/packages/backend/test/e2e/api.ts
+++ b/packages/backend/test/e2e/api.ts
@@ -7,27 +7,30 @@ process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
 import { IncomingMessage } from 'http';
-import { signup, api, startServer, successfulApiCall, failedApiCall, uploadFile, waitFire, connectStream, relativeFetch, createAppToken } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import {
+	api,
+	connectStream,
+	createAppToken,
+	failedApiCall,
+	relativeFetch,
+	signup,
+	successfulApiCall,
+	uploadFile,
+	waitFire,
+} from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('API', () => {
-	let app: INestApplicationContext;
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 	let carol: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 		carol = await signup({ username: 'carol' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	describe('General validation', () => {
 		test('wrong type', async () => {
 			const res = await api('/test', {
diff --git a/packages/backend/test/e2e/block.ts b/packages/backend/test/e2e/block.ts
index 25ff9f11ac..1dfc87c64f 100644
--- a/packages/backend/test/e2e/block.ts
+++ b/packages/backend/test/e2e/block.ts
@@ -6,29 +6,21 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, post, startServer } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, post, signup } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Block', () => {
-	let app: INestApplicationContext;
-
 	// alice blocks bob
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 	let carol: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 		carol = await signup({ username: 'carol' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('Block作成', async () => {
 		const res = await api('/blocking/create', {
 			userId: bob.id,
diff --git a/packages/backend/test/e2e/clips.ts b/packages/backend/test/e2e/clips.ts
index 49092fba63..b679eea8cf 100644
--- a/packages/backend/test/e2e/clips.ts
+++ b/packages/backend/test/e2e/clips.ts
@@ -18,25 +18,13 @@ import { paramDef as UnfavoriteParamDef } from '@/server/api/endpoints/clips/unf
 import { paramDef as AddNoteParamDef } from '@/server/api/endpoints/clips/add-note.js';
 import { paramDef as RemoveNoteParamDef } from '@/server/api/endpoints/clips/remove-note.js';
 import { paramDef as NotesParamDef } from '@/server/api/endpoints/clips/notes.js';
-import {
-	signup,
-	post,
-	startServer,
-	api,
-	successfulApiCall,
-	failedApiCall,
-	ApiRequest,
-	hiddenNote,
-} from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, ApiRequest, failedApiCall, hiddenNote, post, signup, successfulApiCall } from '../utils.js';
 
 describe('クリップ', () => {
 	type User = Packed<'User'>;
 	type Note = Packed<'Note'>;
 	type Clip = Packed<'Clip'>;
 
-	let app: INestApplicationContext;
-
 	let alice: User;
 	let bob: User;
 	let aliceNote: Note;
@@ -145,7 +133,6 @@ describe('クリップ', () => {
 	};
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 
@@ -160,10 +147,6 @@ describe('クリップ', () => {
 		bobSpecifiedNote = await post(bob, { text: 'specified only', visibility: 'specified' }) as any;
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	afterEach(async () => {
 		// テスト間で影響し合わないように毎回全部消す。
 		for (const user of [alice, bob]) {
diff --git a/packages/backend/test/e2e/endpoints.ts b/packages/backend/test/e2e/endpoints.ts
index d75549c816..b12b062a63 100644
--- a/packages/backend/test/e2e/endpoints.ts
+++ b/packages/backend/test/e2e/endpoints.ts
@@ -10,30 +10,22 @@ import * as assert from 'assert';
 // https://github.com/node-fetch/node-fetch/pull/1664
 import { Blob } from 'node-fetch';
 import { MiUser } from '@/models/_.js';
-import { startServer, signup, post, api, uploadFile, simpleGet, initTestDb } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, initTestDb, post, signup, simpleGet, uploadFile } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Endpoints', () => {
-	let app: INestApplicationContext;
-
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 	let carol: misskey.entities.SignupResponse;
 	let dave: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 		carol = await signup({ username: 'carol' });
 		dave = await signup({ username: 'dave' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	describe('signup', () => {
 		test('不正なユーザー名でアカウントが作成できない', async () => {
 			const res = await api('signup', {
diff --git a/packages/backend/test/e2e/exports.ts b/packages/backend/test/e2e/exports.ts
index 9686f2b7fd..f9b59144a3 100644
--- a/packages/backend/test/e2e/exports.ts
+++ b/packages/backend/test/e2e/exports.ts
@@ -6,12 +6,12 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, startServer, startJobQueue, port, post } from '../utils.js';
+import { api, port, post, signup, startJobQueue } from '../utils.js';
 import type { INestApplicationContext } from '@nestjs/common';
 import type * as misskey from 'misskey-js';
 
 describe('export-clips', () => {
-	let app: INestApplicationContext;
+	let queue: INestApplicationContext;
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 
@@ -33,14 +33,13 @@ describe('export-clips', () => {
 	}
 
 	beforeAll(async () => {
-		app = await startServer();
-		await startJobQueue();
+		queue = await startJobQueue();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 	}, 1000 * 60 * 2);
 
 	afterAll(async () => {
-		await app.close();
+		await queue.close();
 	});
 
 	beforeEach(async () => {
diff --git a/packages/backend/test/e2e/fetch-resource.ts b/packages/backend/test/e2e/fetch-resource.ts
index 28affe7768..0d23b4fe67 100644
--- a/packages/backend/test/e2e/fetch-resource.ts
+++ b/packages/backend/test/e2e/fetch-resource.ts
@@ -6,9 +6,8 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { startServer, channel, clip, cookie, galleryPost, signup, page, play, post, simpleGet, uploadFile } from '../utils.js';
+import { channel, clip, cookie, galleryPost, page, play, post, signup, simpleGet, uploadFile } from '../utils.js';
 import type { SimpleGetResponse } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
 import type * as misskey from 'misskey-js';
 
 // Request Accept
@@ -23,8 +22,6 @@ const HTML = 'text/html; charset=utf-8';
 const JSON_UTF8 = 'application/json; charset=utf-8';
 
 describe('Webリソース', () => {
-	let app: INestApplicationContext;
-
 	let alice: misskey.entities.SignupResponse;
 	let aliceUploadedFile: any;
 	let alicesPost: any;
@@ -79,7 +76,6 @@ describe('Webリソース', () => {
 	};
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		aliceUploadedFile = await uploadFile(alice);
 		alicesPost = await post(alice, {
@@ -96,10 +92,6 @@ describe('Webリソース', () => {
 		bob = await signup({ username: 'bob' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	describe.each([
 		{ path: '/', type: HTML },
 		{ path: '/docs/ja-JP/about', type: HTML }, // "指定されたURLに該当するページはありませんでした。"
diff --git a/packages/backend/test/e2e/ff-visibility.ts b/packages/backend/test/e2e/ff-visibility.ts
index 4d323e14e7..1fe0478a18 100644
--- a/packages/backend/test/e2e/ff-visibility.ts
+++ b/packages/backend/test/e2e/ff-visibility.ts
@@ -6,26 +6,18 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, startServer, simpleGet } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, signup, simpleGet } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('FF visibility', () => {
-	let app: INestApplicationContext;
-
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('followingVisibility, followersVisibility がともに public なユーザーのフォロー/フォロワーを誰でも見れる', async () => {
 		await api('/i/update', {
 			followingVisibility: 'public',
diff --git a/packages/backend/test/e2e/move.ts b/packages/backend/test/e2e/move.ts
index f7da66a27c..3937203569 100644
--- a/packages/backend/test/e2e/move.ts
+++ b/packages/backend/test/e2e/move.ts
@@ -3,19 +3,19 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import { INestApplicationContext } from '@nestjs/common';
+
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
 import { loadConfig } from '@/config.js';
 import { MiUser, UsersRepository } from '@/models/_.js';
-import { jobQueue } from '@/boot/common.js';
 import { secureRndstr } from '@/misc/secure-rndstr.js';
-import { uploadFile, signup, startServer, initTestDb, api, sleep, successfulApiCall } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { jobQueue } from '@/boot/common.js';
+import { api, initTestDb, signup, sleep, successfulApiCall, uploadFile } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Account Move', () => {
-	let app: INestApplicationContext;
 	let jq: INestApplicationContext;
 	let url: URL;
 
@@ -30,8 +30,8 @@ describe('Account Move', () => {
 	let Users: UsersRepository;
 
 	beforeAll(async () => {
-		app = await startServer();
 		jq = await jobQueue();
+
 		const config = loadConfig();
 		url = new URL(config.url);
 		const connection = await initTestDb(false);
@@ -46,7 +46,7 @@ describe('Account Move', () => {
 	}, 1000 * 60 * 2);
 
 	afterAll(async () => {
-		await Promise.all([app.close(), jq.close()]);
+		await jq.close();
 	});
 
 	describe('Create Alias', () => {
diff --git a/packages/backend/test/e2e/mute.ts b/packages/backend/test/e2e/mute.ts
index 3b5542dfe0..5144df5ebe 100644
--- a/packages/backend/test/e2e/mute.ts
+++ b/packages/backend/test/e2e/mute.ts
@@ -6,29 +6,21 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, post, react, startServer, waitFire } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, post, react, signup, waitFire } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Mute', () => {
-	let app: INestApplicationContext;
-
 	// alice mutes carol
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 	let carol: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 		carol = await signup({ username: 'carol' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('ミュート作成', async () => {
 		const res = await api('/mute/create', {
 			userId: carol.id,
diff --git a/packages/backend/test/e2e/nodeinfo.ts b/packages/backend/test/e2e/nodeinfo.ts
index 7eed39c5ed..934ef08507 100644
--- a/packages/backend/test/e2e/nodeinfo.ts
+++ b/packages/backend/test/e2e/nodeinfo.ts
@@ -6,20 +6,9 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { relativeFetch, startServer } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { relativeFetch } from '../utils.js';
 
 describe('nodeinfo', () => {
-	let app: INestApplicationContext;
-
-	beforeAll(async () => {
-		app = await startServer();
-	}, 1000 * 60 * 2);
-
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('nodeinfo 2.1', async () => {
 		const res = await relativeFetch('nodeinfo/2.1');
 		assert.ok(res.ok);
diff --git a/packages/backend/test/e2e/note.ts b/packages/backend/test/e2e/note.ts
index 8d33c63485..0f2e08e675 100644
--- a/packages/backend/test/e2e/note.ts
+++ b/packages/backend/test/e2e/note.ts
@@ -8,29 +8,22 @@ process.env.NODE_ENV = 'test';
 import * as assert from 'assert';
 import { MiNote } from '@/models/Note.js';
 import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
-import { signup, post, uploadUrl, startServer, initTestDb, api, uploadFile } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, initTestDb, post, signup, uploadFile, uploadUrl } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Note', () => {
-	let app: INestApplicationContext;
 	let Notes: any;
 
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		const connection = await initTestDb(true);
 		Notes = connection.getRepository(MiNote);
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('投稿できる', async () => {
 		const post = {
 			text: 'test',
diff --git a/packages/backend/test/e2e/oauth.ts b/packages/backend/test/e2e/oauth.ts
index 3ca1f8b542..df6ff42df9 100644
--- a/packages/backend/test/e2e/oauth.ts
+++ b/packages/backend/test/e2e/oauth.ts
@@ -11,13 +11,18 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { AuthorizationCode, ResourceOwnerPassword, type AuthorizationTokenConfig, ClientCredentials, ModuleOptions } from 'simple-oauth2';
+import {
+	AuthorizationCode,
+	type AuthorizationTokenConfig,
+	ClientCredentials,
+	ModuleOptions,
+	ResourceOwnerPassword,
+} from 'simple-oauth2';
 import pkceChallenge from 'pkce-challenge';
 import { JSDOM } from 'jsdom';
-import Fastify, { type FastifyReply, type FastifyInstance } from 'fastify';
-import { api, port, signup, startServer } from '../utils.js';
+import Fastify, { type FastifyInstance, type FastifyReply } from 'fastify';
+import { api, port, sendEnvUpdateRequest, signup } from '../utils.js';
 import type * as misskey from 'misskey-js';
-import type { INestApplicationContext } from '@nestjs/common';
 
 const host = `http://127.0.0.1:${port}`;
 
@@ -147,7 +152,6 @@ async function assertDirectError(response: Response, status: number, error: stri
 }
 
 describe('OAuth', () => {
-	let app: INestApplicationContext;
 	let fastify: FastifyInstance;
 
 	let alice: misskey.entities.SignupResponse;
@@ -156,7 +160,6 @@ describe('OAuth', () => {
 	let sender: (reply: FastifyReply) => void;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 
@@ -168,7 +171,7 @@ describe('OAuth', () => {
 	}, 1000 * 60 * 2);
 
 	beforeEach(async () => {
-		process.env.MISSKEY_TEST_CHECK_IP_RANGE = '';
+		await sendEnvUpdateRequest({ key: 'MISSKEY_TEST_CHECK_IP_RANGE', value: '' });
 		sender = (reply): void => {
 			reply.send(`
 				<!DOCTYPE html>
@@ -180,7 +183,6 @@ describe('OAuth', () => {
 
 	afterAll(async () => {
 		await fastify.close();
-		await app.close();
 	});
 
 	test('Full flow', async () => {
@@ -881,7 +883,7 @@ describe('OAuth', () => {
 		});
 
 		test('Disallow loopback', async () => {
-			process.env.MISSKEY_TEST_CHECK_IP_RANGE = '1';
+			await sendEnvUpdateRequest({ key: 'MISSKEY_TEST_CHECK_IP_RANGE', value: '1' });
 
 			const client = new AuthorizationCode(clientConfig);
 			const response = await fetch(client.authorizeURL({
diff --git a/packages/backend/test/e2e/renote-mute.ts b/packages/backend/test/e2e/renote-mute.ts
index fededdff32..42cc414c3f 100644
--- a/packages/backend/test/e2e/renote-mute.ts
+++ b/packages/backend/test/e2e/renote-mute.ts
@@ -6,29 +6,21 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, post, react, startServer, waitFire, sleep } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, post, signup, sleep, waitFire } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Renote Mute', () => {
-	let app: INestApplicationContext;
-
 	// alice mutes carol
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 	let carol: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 		carol = await signup({ username: 'carol' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('ミュート作成', async () => {
 		const res = await api('/renote-mute/create', {
 			userId: carol.id,
diff --git a/packages/backend/test/e2e/streaming.ts b/packages/backend/test/e2e/streaming.ts
index a447ba94ae..b6f584fa70 100644
--- a/packages/backend/test/e2e/streaming.ts
+++ b/packages/backend/test/e2e/streaming.ts
@@ -8,12 +8,10 @@ process.env.NODE_ENV = 'test';
 import * as assert from 'assert';
 import { WebSocket } from 'ws';
 import { MiFollowing } from '@/models/Following.js';
-import { signup, api, post, startServer, initTestDb, waitFire, createAppToken, port } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, createAppToken, initTestDb, port, post, signup, waitFire } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Streaming', () => {
-	let app: INestApplicationContext;
 	let Followings: any;
 
 	const follow = async (follower: any, followee: any) => {
@@ -48,7 +46,6 @@ describe('Streaming', () => {
 		let list: any;
 
 		beforeAll(async () => {
-			app = await startServer();
 			const connection = await initTestDb(true);
 			Followings = connection.getRepository(MiFollowing);
 
@@ -95,10 +92,6 @@ describe('Streaming', () => {
 			}, chitose);
 		}, 1000 * 60 * 2);
 
-		afterAll(async () => {
-			await app.close();
-		});
-
 		describe('Events', () => {
 			test('mention event', async () => {
 				const fired = await waitFire(
diff --git a/packages/backend/test/e2e/thread-mute.ts b/packages/backend/test/e2e/thread-mute.ts
index 5c68e2b150..26c30d6c4c 100644
--- a/packages/backend/test/e2e/thread-mute.ts
+++ b/packages/backend/test/e2e/thread-mute.ts
@@ -6,28 +6,20 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, post, connectStream, startServer } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, connectStream, post, signup } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Note thread mute', () => {
-	let app: INestApplicationContext;
-
 	let alice: misskey.entities.SignupResponse;
 	let bob: misskey.entities.SignupResponse;
 	let carol: misskey.entities.SignupResponse;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		bob = await signup({ username: 'bob' });
 		carol = await signup({ username: 'carol' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('notes/mentions にミュートしているスレッドの投稿が含まれない', async () => {
 		const bobNote = await post(bob, { text: '@alice @carol root note' });
 		const aliceReply = await post(alice, { replyId: bobNote.id, text: '@bob @carol child note' });
diff --git a/packages/backend/test/e2e/timelines.ts b/packages/backend/test/e2e/timelines.ts
index cb9558b416..88f89c4a6f 100644
--- a/packages/backend/test/e2e/timelines.ts
+++ b/packages/backend/test/e2e/timelines.ts
@@ -6,12 +6,8 @@
 // How to run:
 // pnpm jest -- e2e/timelines.ts
 
-process.env.NODE_ENV = 'test';
-process.env.FORCE_FOLLOW_REMOTE_USER_FOR_TESTING = 'true';
-
 import * as assert from 'assert';
-import { api, post, randomString, signup, sleep, startServer, uploadUrl } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, post, randomString, sendEnvUpdateRequest, signup, sleep, uploadUrl } from '../utils.js';
 
 function genHost() {
 	return randomString() + '.example.com';
@@ -21,16 +17,6 @@ function waitForPushToTl() {
 	return sleep(500);
 }
 
-let app: INestApplicationContext;
-
-beforeAll(async () => {
-	app = await startServer();
-}, 1000 * 60 * 2);
-
-afterAll(async () => {
-	await app.close();
-});
-
 describe('Timelines', () => {
 	describe('Home TL', () => {
 		test.concurrent('自分の visibility: followers なノートが含まれる', async () => {
@@ -334,8 +320,9 @@ describe('Timelines', () => {
 		test.concurrent('フォローしているリモートユーザーのノートが含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup({ host: genHost() })]);
 
+			await sendEnvUpdateRequest({ key: 'FORCE_FOLLOW_REMOTE_USER_FOR_TESTING', value: 'true' });
 			await api('/following/create', { userId: bob.id }, alice);
-			await sleep(1000);
+
 			const bobNote = await post(bob, { text: 'hi' });
 
 			await waitForPushToTl();
@@ -348,8 +335,9 @@ describe('Timelines', () => {
 		test.concurrent('フォローしているリモートユーザーの visibility: home なノートが含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup({ host: genHost() })]);
 
+			await sendEnvUpdateRequest({ key: 'FORCE_FOLLOW_REMOTE_USER_FOR_TESTING', value: 'true' });
 			await api('/following/create', { userId: bob.id }, alice);
-			await sleep(1000);
+
 			const bobNote = await post(bob, { text: 'hi', visibility: 'home' });
 
 			await waitForPushToTl();
@@ -762,8 +750,9 @@ describe('Timelines', () => {
 		test.concurrent('フォローしているリモートユーザーのノートが含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup({ host: genHost() })]);
 
+			await sendEnvUpdateRequest({ key: 'FORCE_FOLLOW_REMOTE_USER_FOR_TESTING', value: 'true' });
 			await api('/following/create', { userId: bob.id }, alice);
-			await sleep(1000);
+
 			const bobNote = await post(bob, { text: 'hi' });
 
 			await waitForPushToTl();
@@ -776,8 +765,9 @@ describe('Timelines', () => {
 		test.concurrent('フォローしているリモートユーザーの visibility: home なノートが含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup({ host: genHost() })]);
 
+			await sendEnvUpdateRequest({ key: 'FORCE_FOLLOW_REMOTE_USER_FOR_TESTING', value: 'true' });
 			await api('/following/create', { userId: bob.id }, alice);
-			await sleep(1000);
+
 			const bobNote = await post(bob, { text: 'hi', visibility: 'home' });
 
 			await waitForPushToTl();
diff --git a/packages/backend/test/e2e/user-notes.ts b/packages/backend/test/e2e/user-notes.ts
index 4f2e7c4cf3..07da0db369 100644
--- a/packages/backend/test/e2e/user-notes.ts
+++ b/packages/backend/test/e2e/user-notes.ts
@@ -6,20 +6,16 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { signup, api, post, uploadUrl, startServer } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { api, post, signup, uploadUrl } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('users/notes', () => {
-	let app: INestApplicationContext;
-
 	let alice: misskey.entities.SignupResponse;
 	let jpgNote: any;
 	let pngNote: any;
 	let jpgPngNote: any;
 
 	beforeAll(async () => {
-		app = await startServer();
 		alice = await signup({ username: 'alice' });
 		const jpg = await uploadUrl(alice, 'https://raw.githubusercontent.com/misskey-dev/misskey/develop/packages/backend/test/resources/Lenna.jpg');
 		const png = await uploadUrl(alice, 'https://raw.githubusercontent.com/misskey-dev/misskey/develop/packages/backend/test/resources/Lenna.png');
@@ -34,10 +30,6 @@ describe('users/notes', () => {
 		});
 	}, 1000 * 60 * 2);
 
-	afterAll(async() => {
-		await app.close();
-	});
-
 	test('withFiles', async () => {
 		const res = await api('/users/notes', {
 			userId: alice.id,
diff --git a/packages/backend/test/e2e/users.ts b/packages/backend/test/e2e/users.ts
index 9c4cbac368..bc23c009b2 100644
--- a/packages/backend/test/e2e/users.ts
+++ b/packages/backend/test/e2e/users.ts
@@ -8,20 +8,8 @@ process.env.NODE_ENV = 'test';
 import * as assert from 'assert';
 import { inspect } from 'node:util';
 import { DEFAULT_POLICIES } from '@/core/RoleService.js';
-import type { Packed } from '@/misc/json-schema.js';
-import {
-	signup,
-	post,
-	page,
-	role,
-	startServer,
-	api,
-	successfulApiCall,
-	failedApiCall,
-	uploadFile,
-} from '../utils.js';
+import { api, page, post, role, signup, successfulApiCall, uploadFile } from '../utils.js';
 import type * as misskey from 'misskey-js';
-import type { INestApplicationContext } from '@nestjs/common';
 
 describe('ユーザー', () => {
 	// エンティティとしてのユーザーを主眼においたテストを記述する
@@ -185,8 +173,6 @@ describe('ユーザー', () => {
 		});
 	};
 
-	let app: INestApplicationContext;
-
 	let root: User;
 	let alice: User;
 	let aliceNote: misskey.entities.Note;
@@ -231,10 +217,6 @@ describe('ユーザー', () => {
 	let userFollowRequested: User;
 
 	beforeAll(async () => {
-		app = await startServer();
-	}, 1000 * 60 * 2);
-
-	beforeAll(async () => {
 		root = await signup({ username: 'root' });
 		alice = await signup({ username: 'alice' });
 		aliceNote = await post(alice, { text: 'test' }) as any;
@@ -321,10 +303,6 @@ describe('ユーザー', () => {
 		await api('following/create', { userId: userFollowRequested.id }, userFollowRequesting);
 	}, 1000 * 60 * 10);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	beforeEach(async () => {
 		alice = {
 			...alice,
diff --git a/packages/backend/test/e2e/well-known.ts b/packages/backend/test/e2e/well-known.ts
index 14e32e1627..0429b7c8b2 100644
--- a/packages/backend/test/e2e/well-known.ts
+++ b/packages/backend/test/e2e/well-known.ts
@@ -6,24 +6,16 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { host, origin, relativeFetch, signup, startServer } from '../utils.js';
-import type { INestApplicationContext } from '@nestjs/common';
+import { host, origin, relativeFetch, signup } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('.well-known', () => {
-	let app: INestApplicationContext;
 	let alice: misskey.entities.User;
 
 	beforeAll(async () => {
-		app = await startServer();
-
 		alice = await signup({ username: 'alice' });
 	}, 1000 * 60 * 2);
 
-	afterAll(async () => {
-		await app.close();
-	});
-
 	test('nodeinfo', async () => {
 		const res = await relativeFetch('.well-known/nodeinfo');
 		assert.ok(res.ok);