[NoahStapp]

…est_recover_from_initially_erroring_seedlist

PYTHON-5315

Changes in this PR

Fixed racy test to use the correct pattern of nesting SrvPollingKnobs to prevent a real DNS poll from sneaking out between patched ones and failing the test.

Test Plan

Existing test changes.

Checklist

Checklist for Author

• Did you update the changelog (if necessary)?
• Is there test coverage?
• Is any followup work tracked in a JIRA ticket? If so, add link(s).

Checklist for Reviewer

• Does the title of the PR reference a JIRA Ticket?
• Do you fully understand the implementation? (Would you be comfortable explaining how this code works to someone else?)
• Is all relevant documentation (README or docstring) updated?

[Copilot]

🟢 Approval recommended

The focused test-only changes preserve recovery assertions and address the timing gap without introducing identified blocking issues.

No open issues 🎉

What changed in this PR

This PR addresses timing races in the SRV polling recovery tests by keeping polling timing overrides active while resolver callbacks change.

Changes:

• Keep the short TTL and rescan interval patched across both recovery phases.
• Nest callback-specific patches without changing the recovery assertions.

File	Description
test/​test_srv_polling.py	Mirrors the nested patch structure in the generated synchronous tests.
test/​asynchronous/​test_srv_polling.py	Preserves timing overrides across resolver callback transitions.

_{Review effort: Balanced}