@Test
	public void testHttplogSink() {
		genericTest(sinks.log());
	}
Listens for data via the http source and outputs the data to a log sink. The log is searched for the original
data. If found it is successful. Else an assertion is thrown.
spring-xd-integration-test/src/test/java/org/springframework/xd/integration/test/HttpTest.java