#Playwright
テスト終了後に以下が表示される。
```
Jest did not exit one second after the test run has completed.
This usually means that there are asynchronous operations that weren't stopped in your tests. Consider running Jest with `--detectOpenHandles` to troubleshoot this issue.
```
[[--maxWorkers]]オプションを使えばOK。
```bash
jest --maxWorkers=1 ...
```
## 参考
- [【解決:Jestエラー】Consider running Jest with \`\-\-detectOpenHandles\`](https://tech-parrot.com/programming/typescript/jest/consider-running-jest-with-detectopenhandles-to-troubleshoot-this-issue/)