fixed missed checkstyle complaints

Change-Id: I91a2da4a7daaaa3a98115a8cd118d31d54277ab2

@@ -22,7 +22,6 @@ import org.onlab.onos.net.packet.PacketProviderRegistry;
 import org.onlab.onos.net.packet.PacketProviderService;
 import org.onlab.onos.net.provider.AbstractProvider;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.openflow.controller.DefaultOpenFlowPacketContext;
 import org.onlab.onos.openflow.controller.Dpid;
 import org.onlab.onos.openflow.controller.OpenFlowController;
 import org.onlab.onos.openflow.controller.OpenFlowPacketContext;

@@ -99,9 +99,8 @@ public class OpenFlowPacketProviderTest {
     }
 
     @Test(expected = IllegalArgumentException.class)
-    public void scheme() {
+    public void wrongScheme() {
         sw.setRole(RoleState.MASTER);
-        //device has wrong scheme
         OutboundPacket schemeFailPkt = outPacket(DID_WRONG, TR, null);
         provider.emit(schemeFailPkt);
         assertEquals("message sent incorrectly", 0, sw.sent.size());
@@ -235,7 +234,6 @@ public class OpenFlowPacketProviderTest {
 
     private class TestController implements OpenFlowController {
 
-        int prio;
         PacketListener pktListener;
         OpenFlowSwitch current;
 
@@ -284,7 +282,6 @@ public class OpenFlowPacketProviderTest {
 
         @Override
         public void addPacketListener(int priority, PacketListener listener) {
-            prio = priority;
             pktListener = listener;
         }
 
@@ -318,19 +315,6 @@ public class OpenFlowPacketProviderTest {
 
     }
 
-    private class TestPacketProviderService implements PacketProviderService {
-
-        @Override
-        public PacketProvider provider() {
-            return null;
-        }
-
-        @Override
-        public void processPacket(PacketContext context) {
-        }
-
-    }
-
     private class TestOpenFlowSwitch implements OpenFlowSwitch {
 
         List<OFPortDesc> ports;