Callback not being executed in server.boundary with jest and react testing library

[kmmccafferty96]

Prerequisites

• I confirm my issue is not in the opened issues
• I confirm the Frequently Asked Questions didn't contain the answer to my issue

Environment check

• I'm using the latest msw version
• I'm using Node.js version 18 or higher

Node.js version

v20.12.1

Reproduction repository

https://github.com/kmmccafferty96/msw-server-boundary-issue-reproduction

Reproduction steps

1. Run npm install
2. Run npm test

Note that both tests pass even though the second should not. Also to note, the first writes to the console but the second does not.

Current behavior

When using jest with react-testing-library, the callback supplied to server.boundary() is seemingly not executed and tests pass no matter what.

Expected behavior

The callback should be executed and tests should be ran properly.