diff --git a/packages/backend/test/e2e/drive.ts b/packages/backend/test/e2e/drive.ts
index 94616d549f..35b28152ca 100644
--- a/packages/backend/test/e2e/drive.ts
+++ b/packages/backend/test/e2e/drive.ts
@@ -6,7 +6,7 @@
 process.env.NODE_ENV = 'test';
 
 import * as assert from 'assert';
-import { api, makeStreamCatcher, post, signup, uploadFile } from '../utils.js';
+import { api, makeStreamCatcher, post, sendEnvUpdateRequest, signup, uploadFile } from '../utils.js';
 import type * as misskey from 'misskey-js';
 
 describe('Drive', () => {
diff --git a/packages/backend/test/e2e/users.ts b/packages/backend/test/e2e/users.ts
index c2f7eca12f..c31b963a95 100644
--- a/packages/backend/test/e2e/users.ts
+++ b/packages/backend/test/e2e/users.ts
@@ -779,7 +779,7 @@ describe('ユーザー', () => {
 	});
 	test.each([
 		{ label: '「見つけやすくする」がOFFのユーザーが含まれる', user: () => userNotExplorable },
-		{ label: 'ミュートユーザーが含まれる', user: () => userMutedByAlice },
+		{ label: 'ミュートユーザーが含まれない', user: () => userMutedByAlice, excluded: true },
 		{ label: 'ブロックされているユーザーが含まれる', user: () => userBlockedByAlice },
 		{ label: 'ブロックしてきているユーザーが含まれない', user: () => userBlockingAlice, excluded: true },
 		{ label: '承認制ユーザーが含まれる', user: () => userLocking },
diff --git a/packages/backend/test/unit/FetchInstanceMetadataService.ts b/packages/backend/test/unit/FetchInstanceMetadataService.ts
index 7994605555..029a333be5 100644
--- a/packages/backend/test/unit/FetchInstanceMetadataService.ts
+++ b/packages/backend/test/unit/FetchInstanceMetadataService.ts
@@ -129,7 +129,7 @@ describe('FetchInstanceMetadataService', () => {
 		const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
 
 		await fetchInstanceMetadataService.fetchInstanceMetadata({ host: 'example.com' } as any, true);
-		expect(tryLockSpy).toHaveBeenCalledTimes(0);
+		expect(tryLockSpy).toHaveBeenCalledTimes(1);
 		expect(unlockSpy).toHaveBeenCalledTimes(1);
 		expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(0);
 		expect(httpRequestService.getJson).toHaveBeenCalled();