@Override
	protected void checkBusUnbound(MessageBus bus) {
		if (bus instanceof RabbitTestMessageBus) {
			MessageBus msgBus = ((RabbitTestMessageBus) bus).getCoreMessageBus();
			assertEquals(0, TestUtils.getPropertyValue(msgBus, "bindings", Collection.class).size());
		}
	}
@author Gary Russell
@author David Turanski
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/plugins/job/RabbitJobPluginTests.java