Fix test, failed when testing against Sling mounted at /

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@921430 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/test/java/org/apache/sling/launchpad/webapp/integrationtest/JsonRenderingTest.java b/src/test/java/org/apache/sling/launchpad/webapp/integrationtest/JsonRenderingTest.java
index f628e35..9483c75 100644
--- a/src/test/java/org/apache/sling/launchpad/webapp/integrationtest/JsonRenderingTest.java
+++ b/src/test/java/org/apache/sling/launchpad/webapp/integrationtest/JsonRenderingTest.java
@@ -131,8 +131,10 @@
       System.err.println("Url: " + url + "\npostUrl: " + postUrl);
       // Get the resource url. (everything after the port)
       // We skip http://localhost:8888/org.apache.sling.launchpad.testing-6-SNAPSHOT/
+      // or http://localhost:8888/
       String resourceUrl = url;
-      for (int i = 4;i>0;i--) {
+      final int toSkip = resourceUrl.contains("/org.apache.sling.launchpad") ? 4 : 3;
+      for (int i = toSkip;i>0;i--) {
         resourceUrl = resourceUrl.substring(resourceUrl.indexOf("/") + 1);
       }
       for (int i = 10; i >=0; i--) {