bbsim: Build docker container as a condition for testing

Change-Id: I0dda64477c3ee625c3bf3d4c19d4f45306825ec9
diff --git a/jjb/verify/bbsim.yaml b/jjb/verify/bbsim.yaml
index 6f1d201..8eb874f 100644
--- a/jjb/verify/bbsim.yaml
+++ b/jjb/verify/bbsim.yaml
@@ -18,7 +18,9 @@
       - 'tag-collision-reject':
           dependency-jobs: 'verify_bbsim_licensed'
       - 'make-unit-test':
+          build-node: 'ubuntu16.04-basebuild-1c-2g'
           dest-gopath: "github.com/opencord"
+          unit-test-targets: 'test docker-build'
           unit-test-keep-going: 'true'
 
 - job-group: