Randomizing the port to use for passive connections

git-svn-id: https://svn.apache.org/repos/asf/mina/ftpserver/trunk@965132 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/src/test/java/org/apache/ftpserver/clienttests/PasvTest.java b/core/src/test/java/org/apache/ftpserver/clienttests/PasvTest.java
index c8dc69a..2f79c76 100644
--- a/core/src/test/java/org/apache/ftpserver/clienttests/PasvTest.java
+++ b/core/src/test/java/org/apache/ftpserver/clienttests/PasvTest.java
@@ -19,6 +19,8 @@
 
 package org.apache.ftpserver.clienttests;
 
+import java.util.Random;
+
 import org.apache.commons.net.ftp.FTPConnectionClosedException;
 import org.apache.ftpserver.DataConnectionConfigurationFactory;
 import org.apache.ftpserver.FtpServerFactory;
@@ -44,7 +46,7 @@
         
         DataConnectionConfigurationFactory dccFactory = new DataConnectionConfigurationFactory();
 
-        int passivePort = TestUtil.findFreePort(12444);
+        int passivePort = TestUtil.findFreePort(12000 + new Random().nextInt(20000));
         
         dccFactory.setPassivePorts(passivePort + "-" + passivePort);