+import static org.junit.Assert.assertEquals;
+
+import java.lang.management.ManagementFactory;
+import javax.management.Attribute;
+import javax.management.AttributeList;
+import javax.management.DynamicMBean;
+import javax.management.JMX;
+import javax.management.MBeanInfo;
+import javax.management.MBeanServer;
+import javax.management.MBeanServerFactory;
+import javax.management.ObjectName;