String streamName = "test";
StreamDefinition testStream = new StreamDefinition(streamName, streamDefinition);
integrationSupport.createAndDeployStream(testStream);
MessageBus messageBus = integrationSupport.messageBus();
NamedChannelSource source = new SingleNodeNamedChannelSourceFactory(messageBus).createNamedChannelSource("queue:producer");
NamedChannelSink sink = new SingleNodeNamedChannelSinkFactory(messageBus).createNamedChannelSink("queue:consumer");
source.sendPayload("ping");