SLIDER 30. Clean the agent functional test and consolidate steps

git-svn-id: https://svn.apache.org/repos/asf/incubator/slider/trunk@1593186 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
index 9020d79..8c0753c 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
@@ -333,7 +333,6 @@
 
   @Override
   public HeartBeatResponse handleHeartBeat(HeartBeat heartBeat) {
-    // dummy impl
     HeartBeatResponse response = new HeartBeatResponse();
     long id = heartBeat.getResponseId();
     response.setResponseId(id + 1L);