SLING-5144 - Update local launchpad references to 8 or 9-SNAPSHOT

Update testing and testing-war to run against org.apache.sling.launchpad 9-SNAPSHOT.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1708608 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/provisioning/model.txt b/src/main/provisioning/model.txt
index c9e7661..5982a3d 100644
--- a/src/main/provisioning/model.txt
+++ b/src/main/provisioning/model.txt
@@ -19,7 +19,7 @@
 [feature name=launchpad-testing]
 # Dependencies
 [artifacts]
-  org.apache.sling/org.apache.sling.launchpad/8-SNAPSHOT/slingstart
+  org.apache.sling/org.apache.sling.launchpad/9-SNAPSHOT/slingstart
   org.apache.sling/org.apache.sling.launchpad.test-bundles/0.0.1-SNAPSHOT/slingfeature
 
 # additional configuration for testing