バックエンドのテストの改善 (#11978)

* Update utils.ts

* no async executer

packages/backend/test/utils.ts

@@ -301,12 +301,14 @@ export const uploadFile = async (user?: UserToken, { path, name, blob }: UploadO
 };
 
 export const uploadUrl = async (user: UserToken, url: string) => {
-	let file: any;
+	let resolve: unknown;
+	const file = new Promise(ok => resolve = ok);
 	const marker = Math.random().toString();
 
 	const ws = await connectStream(user, 'main', (msg) => {
 		if (msg.type === 'urlUploadFinished' && msg.body.marker === marker) {
-			file = msg.body.file;
+			ws.close();
+			resolve(msg.body.file);
 		}
 	});
 
@@ -316,9 +318,6 @@ export const uploadUrl = async (user: UserToken, url: string) => {
 		force: true,
 	}, user);
 
-	await sleep(7000);
-	ws.close();
-
 	return file;
 };