Up timeout for openonu adapter unit tests

Change-Id: I49b09df0c2276eb222fdc4e240fd0ff909e5acb4
diff --git a/jjb/verify/voltha-openonu-adapter.yaml b/jjb/verify/voltha-openonu-adapter.yaml
index 248cfe9..8c41c58 100644
--- a/jjb/verify/voltha-openonu-adapter.yaml
+++ b/jjb/verify/voltha-openonu-adapter.yaml
@@ -23,6 +23,7 @@
           unit-test-targets: 'test'
           unit-test-keep-going: 'true'
           junit-allow-empty-results: true
+          build-timeout: 15
 
 - job-group:
     name: 'publish-voltha-openonu-adapter-jobs'