[GoldenEye] [ONOS-4163] Add provider service API

Change-Id: I363471d3a69a1c67d57d853fb84d42551eb27b7a
diff --git a/providers/pcep/tunnel/src/test/java/org/onosproject/provider/pcep/tunnel/impl/TunnelProviderRegistryAdapter.java b/providers/pcep/tunnel/src/test/java/org/onosproject/provider/pcep/tunnel/impl/TunnelProviderRegistryAdapter.java
index 0de914c..9f15117 100644
--- a/providers/pcep/tunnel/src/test/java/org/onosproject/provider/pcep/tunnel/impl/TunnelProviderRegistryAdapter.java
+++ b/providers/pcep/tunnel/src/test/java/org/onosproject/provider/pcep/tunnel/impl/TunnelProviderRegistryAdapter.java
@@ -23,6 +23,7 @@
 import org.onosproject.incubator.net.tunnel.TunnelProvider;
 import org.onosproject.incubator.net.tunnel.TunnelProviderRegistry;
 import org.onosproject.incubator.net.tunnel.TunnelProviderService;
+import org.onosproject.incubator.net.tunnel.Tunnel.State;
 import org.onosproject.net.provider.ProviderId;
 
 public class TunnelProviderRegistryAdapter implements TunnelProviderRegistry {
@@ -56,6 +57,11 @@
         }
 
         @Override
+        public TunnelId tunnelAdded(TunnelDescription tunnel, State state) {
+            return null;
+        }
+
+        @Override
         public void tunnelRemoved(TunnelDescription tunnel) {
         }