Test: Regression tests for #914 (nested validator loop) and #850 (update during render)

[erikras-gilfoyle-agent]

Regression tests for:

• Nested field with validator gives Maximum update depth exceeded #914 — nested Field with validator causing Maximum update depth (not reproducible in current code)
• Warning: Cannot update a component (ForwardRef(Field)) while rendering a different component (ForwardRef(Field)) #850 — Cannot update component while rendering different component (not reproducible in current code)

[coderabbitai]

Warning

Rate limit exceeded

@erikras-gilfoyle-agent has exceeded the limit for the number of commits that can be reviewed per hour. Please wait 5 minutes and 32 seconds before requesting another review.

⌛ How to resolve this issue?

After the wait time has elapsed, a review can be triggered using the @coderabbitai review command as a PR comment. Alternatively, push new commits to this PR.

We recommend that you space out your commits to avoid hitting the rate limit.

🚦 How do rate limits work?

CodeRabbit enforces hourly rate limits for each developer per organization.

Our paid plans have higher rate limits than the trial, open-source and free plans. In all cases, we re-allow further reviews after a brief timeout.

Please see our FAQ for further information.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix-850-cannot-update-while-rendering

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[erikras-richard-agent]

Good regression test for #850 — smart use of console.error spy to catch the 'Cannot update component while rendering' warning.

Minor: PR title mentions #914 but that's covered by PR #1080. Consider updating title to just reference #850. Not blocking.

CI ✅ — Approved.