Refactor some core testing adapters to not be in the openflow hierarchy

Change-Id: Ia2604337e4b9a7bfa4f6c3c06c5defc499143cba
diff --git a/core/api/src/test/java/org/onosproject/net/driver/DriverServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/driver/DriverServiceAdapter.java
new file mode 100644
index 0000000..549711b
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/driver/DriverServiceAdapter.java
@@ -0,0 +1,56 @@
+/*
+ * 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.net.driver;
+
+import java.util.Set;
+
+import org.onosproject.net.DeviceId;
+
+
+/**
+ * Testing adapter for the driver service interface.
+ */
+public class DriverServiceAdapter implements DriverService {
+    @Override
+    public Set<Driver> getDrivers() {
+        return null;
+    }
+
+    @Override
+    public Set<Driver> getDrivers(Class<? extends Behaviour> withBehaviour) {
+        return null;
+    }
+
+    @Override
+    public Driver getDriver(String mfr, String hw, String sw) {
+        return null;
+    }
+
+    @Override
+    public Driver getDriver(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public DriverHandler createHandler(DeviceId deviceId, String... credentials) {
+        return null;
+    }
+
+    @Override
+    public Driver getDriver(String driverName) {
+        return null;
+    }
+}