}
{
log.info("Now testing an empty table ...");
this.dbPool.update("CREATE TABLE TEST_TS (ts TIMESTAMP(9), colKey NUMBER(10,3), col1 VARCHAR(20), col2 NUMBER(12), ICAO_ID VARCHAR(10))");
changeDetector.checkAgain(null);
sleep(500);
assertEquals("Number of message is wrong", 1, this.updateMap.size());
String xml = (String)this.updateMap.get("db.change.event.${groupColValue}");
assertNotNull("No db.change.event.${groupColValue} message has arrived", xml);
assertEquals("", xml);