fix test breakage after: https://issues.apache.org/jira/browse/AMQ-3833 The producerAudit is only written out on change so in this test it holds onto another log file meaning there are two left instead of one.
activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java