import org.junit.Test;
import org.opendaylight.controller.sal.core.Node;
import org.opendaylight.controller.sal.core.NodeConnector;
-import org.opendaylight.ovsdb.plugin.ConfigurationService;
-import org.opendaylight.ovsdb.plugin.ConnectionService;
import org.opendaylight.controller.sal.connection.ConnectionConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;