Trying to prevent random failure.

cli/src/test/java/hudson/cli/ConnectionTest.java

@@ -56,8 +56,8 @@ public class ConnectionTest extends Assert {
         };
         t2.start();
 
-        t1.join(3000);
-        t2.join(3000);
+        t1.join(9999);
+        t2.join(9999);
 
         if (t1.isAlive() || t2.isAlive()) {
             t1.interrupt();