Project: springxd
Issue XD-2710: Kafka Tests shouldn't assume offset 0 
In `org.springframework.xd.dirt.stream.KafkaSingleNodeStreamDeploymentIntegrationTests#verifyOnDemandQueues`, when testing the queue partitions for content, the read is assumed to start at offset 0. This is incorrect, because the topics may exist already, especially in a CI environment
Story points: 1