Fix MariaDB test failures caused by ssl-verify-server-cert warnings in STDERR#231

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Copilot wants to merge 3 commits intomainfrom

copilot/improve-mariadb-tests

Commits on Mar 27, 2026

Initial plan
Copilot
authored
Add MariaDB wrapper scripts to suppress ssl-verify-server-cert warnings

Copilot
and
swissspidy
authored
Switch MariaDB connections to Unix socket to suppress ssl-verify-server-cert warnings

Copilot
and
swissspidy
authored