final Logger logger1 = LogManager.getLogger(this.getClass().getName() + ".testBaseJpaEntityAppender");
final Logger logger2 = LogManager.getLogger(this.getClass().getName() + ".testBaseJpaEntityAppenderAgain");
logger1.info("Test my message 01.");
logger1.error("This is another message 02.", exception);
logger2.warn("A final warning has been issued.");
final Statement statement = this.connection.createStatement();
final ResultSet resultSet = statement.executeQuery("SELECT * FROM jpaBaseLogEntry ORDER BY id");
assertTrue("There should be at least one row.", resultSet.next());