[rejaulalomkhan]

Description

In tests/phpunit/tests/post/getPostsByAuthorSql.php, register_post_type() is used across tests (test_multiple_post_types and test_user_has_access_only_to_private_posts_for_certain_post_types) to register custom post types 'foo', 'bar', and 'baz'.

While the tests call _unregister_post_type() at the end of their methods, any assertion failure before that point leaves these custom post types registered in the global $wp_post_types array, leaking state into subsequent tests.

This PR adds a dedicated tear_down() method in Tests_Post_GetPostsByAuthorSql to unregister 'foo', 'bar', and 'baz' via unregister_post_type(), ensuring complete test isolation.

Trac ticket: https://core.trac.wordpress.org/ticket/65893

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This pull request modifies test files only.

Summary of Changes

• Added tear_down() method in Tests_Post_GetPostsByAuthorSql within tests/phpunit/tests/post/getPostsByAuthorSql.php unregistering 'foo', 'bar', and 'baz'.

Test Coverage

• Verified locally via vendor/bin/phpunit --filter Tests_Post_GetPostsByAuthorSql (16 tests, 21 assertions: all passed).
• Ran PHPCS via vendor/bin/phpcs tests/phpunit/tests/post/getPostsByAuthorSql.php (0 errors, 0 warnings).

Use of AI Tools

• Tool: Antigravity
• Model: Gemini 2.5 Pro
• Scope: Identifying test isolation leaks in getPostsByAuthorSql.php and drafting teardown cleanup.

[github-actions]

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Props rejaulalomkhan.

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