private static DirectChannel createLaunchingChannel(String jobName) {
		DirectChannel launchingChannel = new DirectChannel();
		launchingChannel.setBeanName(jobName + ":launcher");
		return launchingChannel;
	}
Provided for testing to be able to inject the channels for mocking.

@param messageBus Message bus reference to launch a job and receive it's results
@param jobDefinitionRepository Repository used to look up the child job definition
@param instanceRepository Repository used to look up that the child job is deployed
@param jobName The name of the child job definition
@param launchingChannel The channel used to send the launch request
@param listeningChannel The channel used to listen for the job results
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/batch/tasklet/JobLaunchingTasklet.java