Initialise mariadb?

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
           cp "./conf/ws_config.example.cfg" "./conf/ws_config.cfg"
           tar xfz "dist/ispyb-database.tar.gz"
 
-          find / -name '*.sock'
+          mariadb-install-db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
           /etc/init.d/mariadb start
 
           printf 'Waiting for MySQL database to accept connections'