flow = new Flow("test-flow", muleContext);
flow.setMessageSource(directInboundMessageSource);
List<MessageProcessor> processors = new ArrayList<MessageProcessor>();
processors.add(new ResponseMessageProcessorAdapter(new StringAppendTransformer("f")));
processors.add(new ResponseMessageProcessorAdapter(new StringAppendTransformer("e")));
processors.add(new ResponseMessageProcessorAdapter(new StringAppendTransformer("d")));
processors.add(new StringAppendTransformer("a"));
processors.add(new StringAppendTransformer("b"));
processors.add(new StringAppendTransformer("c"));
processors.add(new MessageProcessor()
{