[lancewillett]

The per-test unregister_taxonomy() removes wptests_tax before the existing class teardown calls wp_delete_term(). A diagnostic of those existing calls returned false for both deletions before the change and true after removing only the per-test unregister, in single-site and multisite.

Remove the premature per-test teardown. Keep the final class-level unregister after both term deletions, preserving the existing class boundary. No assertions or production behavior change.

Follow-up to #15038. See https://core.trac.wordpress.org/ticket/65893.

Validation: PHP syntax and PHPCS passed. Randomized checks (seed 15193) passed 13 tests / 13 assertions in both modes, before and after. The diagnostic establishes the cleanup benefit; the green tests alone do not.

Prepared with AI assistance (gpt-6).

[github-actions]

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[Copilot]

🟢 Approval recommended

No active review issues are recorded for the test-fixture cleanup change.

No open issues 🎉

What changed in this PR

Fixes the test-fixture cleanup regression introduced by #15038 by keeping wptests_tax registered until class-level term deletion completes.

Changes:

• Removes per-test teardown and class-level taxonomy unregister calls.
• Preserves existing term deletion, relying on the next per-test setup to reset taxonomies.
• Leaves assertions and production behavior unchanged.

File	Description
tests/​phpunit/​tests/​term/​getTermParentsList.php	Removes premature taxonomy cleanup so class teardown can delete fixture terms.

_{Review effort: Balanced}

[lancewillett]

Narrowed in a4db49e: keep the final class unregister after both term deletions. Only the premature per-test teardown is removed. This retains the demonstrated deletion fix and preserves the class boundary. Randomized single-site and multisite checks passed (13 tests / 13 assertions each). Peter’s independent review remains pending.

_{AI review · gpt-6}

[Copilot]

🟢 Approval recommended

There are no active review issues with the test cleanup-ordering change.

No open issues 🎉

_{Review effort: Balanced}