From 414affaed4bb879a55277bd59cdd6466951ba9c8 Mon Sep 17 00:00:00 2001
From: Playwright Service <89237858+playwrightmachine@users.noreply.github.com>
Date: Thu, 1 Feb 2024 09:11:50 -0800
Subject: [PATCH] cherry-pick(#29271): Revert "chore: remove fake `error` from
 expect calls (#28112)" (#29296)

This PR cherry-picks the following commits:

- 622153db1822f71afe9efddc35023953a9f16b40

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
---
 .../playwright-core/src/server/dispatchers/frameDispatcher.ts   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/playwright-core/src/server/dispatchers/frameDispatcher.ts b/packages/playwright-core/src/server/dispatchers/frameDispatcher.ts
index b335f27ea00fb..6782926e7bbc2 100644
--- a/packages/playwright-core/src/server/dispatchers/frameDispatcher.ts
+++ b/packages/playwright-core/src/server/dispatchers/frameDispatcher.ts
@@ -262,6 +262,8 @@ export class FrameDispatcher extends Dispatcher<Frame, channels.FrameChannel, Br
     const result = await this._frame.expect(metadata, params.selector, { ...params, expectedValue });
     if (result.received !== undefined)
       result.received = serializeResult(result.received);
+    if (result.matches === params.isNot)
+      metadata.error = { error: { name: 'Expect', message: 'Expect failed' } };
     return result;
   }
 }