verify job for development karaf 4.2.1 port branch

Change-Id: Ib0ef14cfac2ea2b3bf2876d8d349d9c9cea5c53b
diff --git a/jjb/onos/onos-verify.yaml b/jjb/onos/onos-verify.yaml
index d2c8c0a..79c7435 100644
--- a/jjb/onos/onos-verify.yaml
+++ b/jjb/onos/onos-verify.yaml
@@ -650,6 +650,7 @@
       - 'onos-1.12'
       - 'onos-1.13'
       - 'onos-1.14'
+      - 'dev-karaf-4.2.1'
 
     jobs:
       - '{project-name}-{stream}-verify'