public void verifyLogContains(URL url, String data) {
		verifyContentContains(url, getContainerWithPid(url), data);
	}
Verifies that the data is contained in the container log.
@param url The server where the container is deployed.
@param data the value that will be searched for, within the log file.
spring-xd-integration-test/src/main/java/org/springframework/xd/integration/util/XdEc2Validation.java