[ONOS-6528] Avoid VPLS race condition problem

Change-Id: I2d1ce9a20e76eabf9489e3361dbf95e518294b6d
diff --git a/apps/vpls/src/test/java/org/onosproject/vpls/VplsTest.java b/apps/vpls/src/test/java/org/onosproject/vpls/VplsTest.java
index a99e07f..dae4086 100644
--- a/apps/vpls/src/test/java/org/onosproject/vpls/VplsTest.java
+++ b/apps/vpls/src/test/java/org/onosproject/vpls/VplsTest.java
@@ -471,6 +471,7 @@
         @Override
         public VplsData createVpls(String vplsName, EncapsulationType encapsulationType) {
             VplsData vplsData = VplsData.of(vplsName, encapsulationType);
+            vplsData.state(VplsData.VplsState.ADDED);
             testData.put(vplsName, vplsData);
             return vplsData;
         }