Make test queue name unique

Author: Emile Joubert

test/src/com/rabbitmq/client/test/functional/QueueSizeLimit.java

@@ -30,7 +30,7 @@
 public class QueueSizeLimit extends BrokerTestCase {
 
     private final int MAXDEPTH = 5;
-    private final String q = "queue";
+    private final String q = "queue-maxdepth";
 
     @Override
     protected void setUp() throws IOException {