Fix buck tests

Change-Id: I3d681e6e5c1d3e98c87ccb3d20a619b216ae6133
diff --git a/bucklets/onos.bucklet b/bucklets/onos.bucklet
index c7837b3..ee4b17d 100644
--- a/bucklets/onos.bucklet
+++ b/bucklets/onos.bucklet
@@ -24,7 +24,7 @@
       name = bare_jar_name,
       srcs = srcs,
       deps = deps,
-      visibility = [], #intentially, not visible
+      visibility = ['PUBLIC'],
       **kwargs
   )