public KafkaSource kafkaSource(){
		return new KafkaSource(xdEnvironment.getKafkaZkConnect());
	}
Constructs a new {@link org.springframework.xd.test.fixtures.KafkaSource}
@return a new instance of {@link org.springframework.xd.test.fixtures.KafkaSource}
spring-xd-integration-test/src/main/java/org/springframework/xd/integration/fixtures/Sources.java