ci: integration-tests fail on Ubuntu 26 because /etc/init.d/mysql is removed #1114

Problem

The integration-tests job in .github/workflows/test.yml fails on every pull request because the Start MYSQL Server step runs sudo /etc/init.d/mysql start, but the Actions runner image has migrated to Ubuntu 26.04, which no longer ships /etc/init.d/mysql.

Job integration-tests on run #1010 (PR #1091):

Start MYSQL Server
0s
1
Run sudo /etc/init.d/mysql start

8
sudo: '/etc/init.d/mysql': command not found

9
Error: Process completed with exit code 1.

Why it's safe to remove

The same workflow already defines a Docker service container (services.mysql) running mariadb:12.3 on port 8888 (lines 104-113). The tests connect to 127.0.0.1:8888, which Docker forwards to that container. The legacy host-level init.d/mysql step is redundant with the service container.

Evidence it's pre-existing, not PR-specific

Every open PR since Oct 31 hits the same failure, including maintainers' own PRs (#1046, #1045).

Fix

Remove lines 121-122 (Start MYSQL Server step) from .github/workflows/test.yml.

Found while waiting for PR #1091 (JDBC driver fix for #1082) to pass CI.