Change output path to be picked up by artifact upload
Because Gitlab CI can't upload artifacts from outside the build dir, and Go by default builds outside of that, we need to output to the build dir for artifact upload.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Because Gitlab CI can't upload artifacts from outside the build dir, and Go by default builds outside of that, we need to output to the build dir for artifact upload.