percona-server-9.1: redirect mysqld output to workaround QEMU runner bug

Author: OddBloke

percona-server-9.1.yaml

@@ -175,9 +175,9 @@ test:
         su mysql -c "mysqld --initialize-insecure --datadir=/var/lib/mysql" || exit 1
     - name: Start MySQL server with no password validation
       runs: |
-        su mysql -c "mysqld --datadir=/var/lib/mysql --socket=/run/mysqld/mysqld.sock --skip-grant-tables &"
+        su mysql -c "mysqld --datadir=/var/lib/mysql --socket=/run/mysqld/mysqld.sock --skip-grant-tables > /tmp/percona-server.log 2>&1 &"
         sleep 10
-        su mysql -c "mysqladmin ping --socket=/run/mysqld/mysqld.sock" || exit 1
+        su mysql -c "mysqladmin ping --socket=/run/mysqld/mysqld.sock" || { cat /tmp/percona-server.log; exit 1; }
     - name: Create test database
       runs: |
         echo "CREATE DATABASE test_db;" | su mysql -c "mysql --socket=/run/mysqld/mysqld.sock" || exit 1