public String getZkConnectString() {
		if (embedded) {
			return zookeeper.getConnectString();
		}
		else {
			return DEFAULT_ZOOKEEPER_CONNECT;
		}
	}
JUnit {@link Rule} that starts an embedded Kafka server (with an associated Zookeeper)

@author Ilayaperumal Gopinathan
@author Marius Bogoevici
@author Gary Russell
@since 1.1
spring-xd-test/src/main/java/org/springframework/xd/test/kafka/KafkaTestSupport.java