@BeforeClass
	public static void beforeClass() {
		distributedTestSupport = new DefaultDistributedTestSupport();
		distributedTestSupport.startup();
	}
Start the {@link DistributedTestSupport} used by test classes.

@see DistributedTestSupport#startup
spring-xd-distributed-test/src/test/java/org/springframework/xd/distributed/test/DistributedTestSuite.java