anchor.diff:            };
             galera = {
               wsrep_on = "ON";
  -            wsrep_debug = "OFF";
  +            wsrep_debug = "NONE";
               wsrep_retry_autocommit = "3";
               wsrep_provider = "${pkgs.mariadb-galera}/lib/galera/libgalera_smm.so";
               wsrep_cluster_address = "gcomm://galera_04,galera_05,galera_06";
  
positive.code:     galera_06.wait_for_unit("mysql")
      galera_06.wait_for_open_port(3306)
      galera_05.succeed(
          "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db1;' -N | grep 41"
      )
      galera_05.succeed(
          "sudo -u testuser mysql -u root -e 'use testdb; create table db2 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
      )
      galera_05.succeed("systemctl stop mysql")
      galera_04.succeed(
          "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db2 values (42);'"
      )
      galera_06.succeed(
          "sudo -u testuser mysql -u root -e 'use testdb; create table db3 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
      )
      galera_04.succeed(
          "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db3 values (43);'"
  
negative.code:           };
            galera = {
              wsrep_on = "ON";
              wsrep_debug = "NONE";
              wsrep_retry_autocommit = "3";
              wsrep_provider = "${pkgs.mariadb-galera}/lib/galera/libgalera_smm.so";
              wsrep_cluster_address = "gcomm://";
  