Unit tests for PartitionManager

Change-Id: I721ed6489ce19cb78ce9e2f150dfed90882f3b0e
diff --git a/core/api/src/test/java/org/onosproject/cluster/LeadershipServiceAdapter.java b/core/api/src/test/java/org/onosproject/cluster/LeadershipServiceAdapter.java
new file mode 100644
index 0000000..818edb9
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/cluster/LeadershipServiceAdapter.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.cluster;
+
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Test adapter for leadership service.
+ */
+public class LeadershipServiceAdapter implements LeadershipService {
+
+    @Override
+    public NodeId getLeader(String path) {
+        return null;
+    }
+
+    @Override
+    public Leadership getLeadership(String path) {
+        return null;
+    }
+
+    @Override
+    public Set<String> ownedTopics(NodeId nodeId) {
+        return null;
+    }
+
+    @Override
+    public void runForLeadership(String path) {
+
+    }
+
+    @Override
+    public void withdraw(String path) {
+
+    }
+
+    @Override
+    public Map<String, Leadership> getLeaderBoard() {
+        return null;
+    }
+
+    @Override
+    public void addListener(LeadershipEventListener listener) {
+
+    }
+
+    @Override
+    public void removeListener(LeadershipEventListener listener) {
+
+    }
+}