test on all branches for more voltha repos, add ofagent-go

Change-Id: Ic6d45a478c9e16098ca8fa8fc4370703bf1ddfd0
diff --git a/jjb/verify/voltha-system-tests.yaml b/jjb/verify/voltha-system-tests.yaml
index 98bc99e..ba934a5 100644
--- a/jjb/verify/voltha-system-tests.yaml
+++ b/jjb/verify/voltha-system-tests.yaml
@@ -7,7 +7,7 @@
 
     jobs:
       - 'verify-voltha-system-tests-jobs':
-          branch-regexp: '{supported-branches-regexp}'
+          branch-regexp: '{all-branches-regexp}'
 
 - job-group:
     name: 'verify-voltha-system-tests-jobs'