Stc scenario for testing distributed primitives and onos-execute-expect command

Change-Id: Iac949099bf072b71aedd85dbc2ee8cf613b01807
diff --git a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
index 204471c..2d1aa0b 100644
--- a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
+++ b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
@@ -23,7 +23,7 @@
 import org.onosproject.store.service.Serializer;
 import org.onosproject.store.service.StorageService;
 
-import java.util.HashSet;
+import java.util.Arrays;
 import java.util.Set;
 
 /**
@@ -44,7 +44,6 @@
     String[] values = null;
 
     Set<String> set;
-    Set<String> toAdd = new HashSet<>();
 
 
     Serializer serializer = Serializer.using(
@@ -68,13 +67,10 @@
             }
         } else if (values.length >= 1) {
             // Add multiple elements to a set
-            for (String value : values) {
-                toAdd.add(value);
-            }
-            if (set.addAll(toAdd)) {
-                print("%s was added to the set %s", toAdd, setName);
+            if (set.addAll(Arrays.asList(values))) {
+                print("%s was added to the set %s", Arrays.asList(values), setName);
             } else {
-                print("%s was already in set %s", toAdd, setName);
+                print("%s was already in set %s", Arrays.asList(values), setName);
             }
         }
     }