IN PROGRESS - issue BATCH-476: samples cleanup

http://jira.springframework.org/browse/BATCH-476

infinite loop replaced with finite but long enough (so that the loop doesn't run forever when test fails)

spring-batch-samples/src/test/java/org/springframework/batch/sample/GracefulShutdownFunctionalTests.java

@@ -50,6 +50,7 @@ public class GracefulShutdownFunctionalTests extends AbstractBatchLauncherTests
 		}
 		
 		assertFalse("Timed out waiting for job to end.", jobExecution.isRunning());
+		assertEquals(BatchStatus.STOPPED, jobExecution.getStatus());
 
 	}