import io.netty.channel.ChannelPipeline;
import io.netty.util.concurrent.Promise;
import org.junit.Test;
-import org.opendaylight.controller.netconf.nettyutil.AbstractChannelInitializer;
import org.opendaylight.protocol.framework.SessionListenerFactory;
import org.opendaylight.protocol.framework.SessionNegotiator;