-import javax.management.InstanceNotFoundException;
-import javax.management.Notification;
-import javax.management.NotificationListener;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.InetSocketAddress;
-import java.util.Collection;
-import java.util.List;
-import java.util.Set;
-
-import static junit.framework.Assert.assertEquals;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyLong;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;