public static SyslogTcpSource withDefaults(String host) {
		Assert.hasText(host, "host must not be empty nor null");
		return new SyslogTcpSource(host, DEFAULT_PORT);
	}
Returns a SyslogTcpSource fixture instance that is initialized with default port and the 
provided host parameter

@param host The host that tcp data will be sent.
@return a SyslogTcpSource instance
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/SyslogTcpSource.java