SLING-4389: Adding a trivial request type TEST for testing connectivity of a distribution agent

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1657034 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/sling/distribution/DistributionRequestType.java

diff --git a/src/main/java/org/apache/sling/distribution/DistributionRequestType.java b/src/main/java/org/apache/sling/distribution/DistributionRequestType.java
index f005510..bd34e24 100644
--- a/src/main/java/org/apache/sling/distribution/DistributionRequestType.java
+++ b/src/main/java/org/apache/sling/distribution/DistributionRequestType.java
@@ -45,7 +45,12 @@
     /**
      * Action type for pulling content
      */
-    PULL;
+    PULL,
+
+    /**
+     * Action type for testing connection. No content is modified.
+     */
+    TEST;
 
     /**
      * Creates an action type for the given name. if the name cannot be mapped to a enum type or if