Minor, cleaned imports

broker/src/test/java/io/moquette/server/ConfigurationClassLoaderTest.java

@@ -36,8 +36,6 @@ import static org.junit.Assert.*;
  * @author luca <[email protected]> 
  */
 public class ConfigurationClassLoaderTest implements IAuthenticator, IAuthorizator {
-    private static final Logger LOG = LoggerFactory.getLogger(ConfigurationClassLoaderTest.class);
-
     Server m_server;
     IConfig m_config;
     

broker/src/test/java/io/moquette/spi/persistence/MapDBPersistentStoreTest.java

@@ -28,7 +28,6 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Properties;
 import java.util.concurrent.TimeUnit;