marker resource for annotating installable intent

To be used for ONOS-5827

Change-Id: I1faa76915aacae42ade98533525108d22511aa38
diff --git a/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java b/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java
index dedadaa..dc45570 100644
--- a/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java
+++ b/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java
@@ -46,6 +46,7 @@
 import org.onosproject.net.HostLocation;
 import org.onosproject.net.Link;
 import org.onosproject.net.LinkKey;
+import org.onosproject.net.MarkerResource;
 import org.onosproject.net.OchPort;
 import org.onosproject.net.OchSignal;
 import org.onosproject.net.OduCltPort;
@@ -415,6 +416,11 @@
     }
 
     @Test
+    public void testMarkerResource() {
+        testSerializedEquals(MarkerResource.marker("testString"));
+    }
+
+    @Test
     public void testAnnotations() {
         // Annotations does not have equals defined, manually test equality
         final byte[] a1Bytes = serializer.encode(A1);