exchange = new DefaultExchange(camelContext);
exchange.getIn().setHeader("DynamicHeader7",
"The value header 7, but will not be extracted");
exchange.getIn().setHeader("DynamicHeader8", "The value header 8");
producer.send("direct:tdrRuleTest6", exchange);
assertEquals("Wrong expected message count", 1,
mockEndpoint.getReceivedCounter());
receivedExchange = mockEndpoint.getExchanges().get(0);