protected boolean waitForJobToComplete(String jobName) {
		return waitForJobToComplete(jobName, DEFAULT_JOB_COMPLETE_COUNT);
	}
Wait until the job is complete up to default WAIT_TIME. The method will return true
if any of the job executions are marked complete.
Hint: use a unique jobName, to guarantee that you will get zero or one jobExecution.

@param jobName The name of the job to evaluate.
spring-xd-integration-test/src/test/java/org/springframework/xd/integration/test/AbstractJobTest.java