-import com.google.common.collect.Lists;
-import com.google.common.collect.Sets;
-import io.netty.channel.ChannelFuture;
-import org.apache.commons.lang3.StringUtils;
+import static junit.framework.Assert.assertEquals;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.opendaylight.controller.netconf.util.test.XmlUnitUtil.assertContainsElementWithName;
+import static org.opendaylight.controller.netconf.util.test.XmlUnitUtil.assertElementsCount;
+import static org.opendaylight.controller.netconf.util.xml.XmlUtil.readXmlToDocument;
+
+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 javax.management.InstanceNotFoundException;
+import javax.management.Notification;
+import javax.management.NotificationListener;
+