anchor.diff:      galera_02.succeed("systemctl start mysql")
       galera_02.wait_for_open_port(3306)
       galera_02.succeed(
  -        "sudo -u testuser mysql -u root -e 'show status' -N | grep 'wsrep_cluster_size.*3'"
  +        "sudo -u testuser mysql -u testuser -e 'show status' -N | grep 'wsrep_cluster_size.*3'"
       )
       galera_03.succeed(
  -        "sudo -u testuser mysql -u root -e 'show status' -N | grep 'wsrep_local_state_comment.*Synced'"
  -    )
  -    galera_01.succeed(
  -        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db3;' -N | grep 39"
  -    )
  -    galera_02.succeed(
  -        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db2;' -N | grep 38"
  +        "sudo -u testuser mysql -u testuser -e 'show status' -N | grep 'wsrep_local_state_comment.*Synced'"
  +    )
  +    galera_01.succeed(
  +        "sudo -u testuser mysql -u testuser -e 'use testdb; select test_id from db3;' -N | grep 39"
  +    )
  +    galera_02.succeed(
  +        "sudo -u testuser mysql -u testuser -e 'use testdb; select test_id from db2;' -N | grep 38"
       )
       galera_03.succeed(
  -        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db1;' -N | grep 37"
  +        "sudo -u testuser mysql -u testuser -e 'use testdb; select test_id from db1;' -N | grep 37"
       )
       galera_01.succeed("sudo -u testuser mysql -u testuser -e 'use testdb; drop table db3;'")
  -    galera_02.succeed("sudo -u testuser mysql -u root -e 'use testdb; drop table db2;'")
  -    galera_03.succeed("sudo -u testuser mysql -u root -e 'use testdb; drop table db1;'")
  +    galera_02.succeed("sudo -u testuser mysql -u testuser -e 'use testdb; drop table db2;'")
  +    galera_03.succeed("sudo -u testuser mysql -u testuser -e 'use testdb; drop table db1;'")
     '';
   })
  
positive.code:     galera_03.wait_for_unit("mysql")
      galera_03.wait_for_open_port(3306)
      galera_02.succeed(
          "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db1;' -N | grep 37"
      )
      galera_02.succeed(
          "sudo -u testuser mysql -u root -e 'use testdb; create table db2 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
      )
      galera_02.succeed("systemctl stop mysql")
      galera_01.succeed(
          "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db2 values (38);'"
      )
      galera_03.succeed(
          "sudo -u testuser mysql -u root -e 'use testdb; create table db3 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
      )
      galera_01.succeed(
          "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db3 values (39);'"
  
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://galera_01,galera_02,galera_03";
  