disable autofail system.exit - it kills a surefire forked test run
https://issues.apache.org/jira/browse/AMQ-5212 - ensure uncontented access to concurrent destination map avoides deadlock, rerework https://issues.apache.org/jira/browse/AMQ-4952 to differenciate duplicates from send and recovered messages from the store. https://issues.apache.org/jira/browse/AMQ-3454 benefits from getDestinationMap(destination) to get direct access to the map to determine existance. Additional test