stable test

Author: xyuanlu

helix-core/src/main/java/org/apache/helix/NotificationContext.java

@@ -233,7 +233,7 @@ public boolean getIsChildChange() {
     return _isChildChange;
   }
 
-  public void setIsChildChange(boolean cc) {
-    this._isChildChange = cc;
+  public void setIsChildChange(boolean isChildChange) {
+    this._isChildChange = isChildChange;
   }
 }

helix-core/src/test/java/org/apache/helix/integration/TestZkCallbackHandlerLeak.java

@@ -472,6 +472,8 @@ public void testCurrentStatePathLeakingByAsycRemoval() throws Exception {
       jobAccesor.setProperty(jobKey, cs);
     }
 
+    // verify new watcher is installed on the new node
+    Thread.sleep(5000);
     Map<String, Set<String>> listenersByZkPath = ZkTestHelper.getListenersByZkPath(ZK_ADDR);
     Assert.assertTrue(listenersByZkPath.keySet().contains(jobKey.getPath()));
     rpWatchPaths = ZkTestHelper.getZkWatch(rpManager.getZkClient());