Tests: Fix Runners on PHP 8.3

[n7studios]

Summary

Fixes GitHub Action runners failing tests when using PHP 8.3

2026/05/08 14:21:05 [crit] 2845#2845: *1 connect() to unix:/run/php/php8.3-fpm.sock failed (13: Permission denied) while connecting to upstream, client: 127.0.0.1, server: localhost, request: "GET /wp-login.php HTTP/1.1", upstream: "fastcgi://unix:/run/php/php8.3-fpm.sock:", host: "127.0.0.1"
2026/05/08 14:21:05 [crit] 2845#2845: *1 connect() to unix:/run/php/php8.3-fpm.sock failed (13: Permission denied) while connecting to upstream, client: 127.0.0.1, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://unix:/run/php/php8.3-fpm.sock:", host: "127.0.0.1", referrer: "http://127.0.0.1/wp-login.php"
2026/05/08 14:21:15 [crit] 2844#2844: *5 connect() to unix:/run/php/php8.3-fpm.sock failed (13: Permission denied) while connecting to upstream, client: 127.0.0.1, server: localhost, request: "POST /wp-cron.php?doing_wp_cron=1778250075.7374439239501953125000 HTTP/1.1", upstream: "fastcgi://unix:/run/php/php8.3-fpm.sock:", host: "127.0.0.1"

Testing

Existing tests pass.

Checklist

• I have written a test and included it in this PR
• I have run all tests and they pass
• The code passes when running the PHP CodeSniffer
• Code meets WordPress Coding Standards for PHP, HTML, CSS and JS
• Security and Sanitization requirements have been followed
• I have assigned a reviewer or two to review this PR (if you're not sure who to assign, we can do this step for you)