revert jest 30 related changes

packages/backend/jest.config.cjs

@@ -136,7 +136,7 @@ module.exports = {
 	// runner: "jest-runner",
 
 	// The paths to modules that run some code to configure or set up the testing environment before each test
-	setupFiles: ["<rootDir>/test/jest.setup.ts"],
+	// setupFiles: [],
 
 	// A list of paths to modules that run some code to configure or set up the testing framework before each test
 	// setupFilesAfterEnv: [],

packages/backend/package.json

@@ -188,7 +188,7 @@
 		"xev": "3.0.2"
 	},
 	"devDependencies": {
-		"@jest/globals": "30.0.0",
+		"@jest/globals": "29.7.0",
 		"@nestjs/platform-express": "11.1.3",
 		"@sentry/vue": "9.46.0",
 		"@simplewebauthn/types": "12.0.0",
@@ -236,9 +236,9 @@
 		"eslint-plugin-import": "2.32.0",
 		"execa": "9.6.0",
 		"fkill": "9.0.0",
-		"jest": "30.0.0",
-		"jest-mock": "30.0.0",
-		"jest-util": "30.0.0",
+		"jest": "29.7.0",
+		"jest-mock": "29.7.0",
+		"jest-util": "29.7.0",
 		"nodemon": "3.1.10",
 		"pid-port": "1.0.2",
 		"simple-oauth2": "5.1.0",

packages/backend/test/jest.setup.e2e.ts

@@ -1,11 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { initTestDb, sendEnvResetRequest } from './utils.js';
-
-beforeAll(async () => {
-	await initTestDb(false);
-	await sendEnvResetRequest();
-});

packages/backend/test/jest.setup.ts

@@ -3,8 +3,10 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { protectProperties } from 'jest-util';
+import { initTestDb, sendEnvResetRequest } from './utils.js';
+
+beforeAll(async () => {
+		await initTestDb(false);
+		await sendEnvResetRequest();
+});
 
-protectProperties(ReadableStreamDefaultReader);
-protectProperties(ReadableStreamBYOBReader);
-protectProperties(WritableStreamDefaultWriter);