Unit test for the gossip intent store

This change also implements a unit test harness for the
EventuallyConsistentMap that is intended to be reusable
to test other stores.

Change-Id: I2257da9b19412b97a3aa0f127be7263a7732b852
diff --git a/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java b/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java
new file mode 100644
index 0000000..d79796c
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java
@@ -0,0 +1,55 @@
+/*
+ * 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.store.service;
+
+public class TestStorageService extends StorageServiceAdapter {
+
+
+    @Override
+    public <K, V> EventuallyConsistentMapBuilder<K, V> eventuallyConsistentMapBuilder() {
+        return TestEventuallyConsistentMap.builder();
+    }
+
+    @Override
+    public <K, V> ConsistentMapBuilder<K, V> consistentMapBuilder() {
+        throw new UnsupportedOperationException("consistentMapBuilder");
+    }
+
+    @Override
+    public <E> DistributedSetBuilder<E> setBuilder() {
+        throw new UnsupportedOperationException("setBuilder");
+    }
+
+    @Override
+    public <E> DistributedQueueBuilder<E> queueBuilder() {
+        throw new UnsupportedOperationException("queueBuilder");
+    }
+
+    @Override
+    public AtomicCounterBuilder atomicCounterBuilder() {
+        throw new UnsupportedOperationException("atomicCounterBuilder");
+    }
+
+    @Override
+    public <V> AtomicValueBuilder<V> atomicValueBuilder() {
+        throw new UnsupportedOperationException("atomicValueBuilder");
+    }
+
+    @Override
+    public TransactionContextBuilder transactionContextBuilder() {
+        throw new UnsupportedOperationException("transactionContextBuilder");
+    }
+}