[ONOS-5295] JUNIT Test cases for volt-onus, volt-setonu and volt-onustats as FUJITSU NETCONF commands

Change-Id: I8f80bc651adf2bfbfa7ce8587e03b1373222f37a
diff --git a/drivers/fujitsu/src/main/java/org/onosproject/drivers/fujitsu/FujitsuVoltXmlUtility.java b/drivers/fujitsu/src/main/java/org/onosproject/drivers/fujitsu/FujitsuVoltXmlUtility.java
index 92df893..358504c 100644
--- a/drivers/fujitsu/src/main/java/org/onosproject/drivers/fujitsu/FujitsuVoltXmlUtility.java
+++ b/drivers/fujitsu/src/main/java/org/onosproject/drivers/fujitsu/FujitsuVoltXmlUtility.java
@@ -42,6 +42,14 @@
     public static final String VOLT_NE_OPEN = ANGLE_LEFT + VOLT_NE + SPACE;
     public static final String VOLT_NE_CLOSE = ANGLE_LEFT + SLASH + VOLT_NE + ANGLE_RIGHT;
 
+    public static final int FIRST_PART = 0;
+    public static final int SECOND_PART = 1;
+    public static final int THIRD_PART = 2;
+    public static final int ZERO = 0;
+    public static final int ONE = 1;
+    public static final int TWO = 2;
+    public static final int THREE = 3;
+
     private FujitsuVoltXmlUtility() {
         // Preventing any allocation
     }