Fix for ONOS-5175. GroupId refactoring.

Science DefaultGroupId was deprecated, remove it from ONOS

Change-Id: I82394e58ec1ba10c37492ed77546e233de9f934f
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 cd2b765..f68d0e0 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
@@ -30,7 +30,7 @@
 import org.onosproject.cluster.NodeId;
 import org.onosproject.cluster.RoleInfo;
 import org.onosproject.core.DefaultApplicationId;
-import org.onosproject.core.DefaultGroupId;
+import org.onosproject.core.GroupId;
 import org.onosproject.mastership.MastershipTerm;
 import org.onosproject.net.Annotations;
 import org.onosproject.net.ChannelSpacing;
@@ -407,8 +407,8 @@
     }
 
     @Test
-    public void testDefaultGroupId() {
-        testSerializedEquals(new DefaultGroupId(99));
+    public void testGroupId() {
+        testSerializedEquals(new GroupId(99));
     }
 
     @Test