fix(backend): attempt to fix flaky e2e test on home timeline streaming (#17312)

Author: kakkokari-gtyih

packages/backend/test/e2e/streaming.ts

@@ -172,7 +172,7 @@ describe('Streaming', () => {
 				const fired = await waitFire(
 					ayano, 'homeTimeline',		// ayano:home
 					() => api('notes/create', { text: 'bar', visibility: 'followers', replyId: note.id }, kyoko),	// kyoko posts
-					msg => msg.type === 'note' && msg.body.userId === kyoko.id && msg.body.reply.text === 'foo',
+					msg => msg.type === 'note' && msg.body.userId === kyoko.id && msg.body.replyId === note.id,
 				);
 
 				assert.strictEqual(fired, true);