-import ch.ethz.ssh2.Connection;
-import ch.ethz.ssh2.Session;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Sets;
-import io.netty.channel.ChannelFuture;
-import junit.framework.Assert;
-import org.apache.commons.io.IOUtils;
+import static java.util.Collections.emptyList;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.management.ManagementFactory;
+import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeoutException;
+
+import javax.management.ObjectName;
+import javax.xml.parsers.ParserConfigurationException;
+