Modify InitializationTest to use a port of 0 instead of -1

server/src/test/java/io/druid/initialization/InitializationTest.java

@@ -109,7 +109,7 @@ public class InitializationTest
               public void configure(Binder binder)
               {
                 JsonConfigProvider.bindInstance(
-                    binder, Key.get(DruidNode.class, Self.class), new DruidNode("test-inject", "localhost", -1)
+                    binder, Key.get(DruidNode.class, Self.class), new DruidNode("test-inject", "localhost", 0)
                 );
               }
             }