Tests for checking different scenarios for enabling and disabling
geofence config on empty and non-empty buckets.
Change-Id: I0fe9abb1008d2daee660f22ffe4defe6226b9aa7
The main motivation is to wrap the bucket DB and metainfo DB, so we
could check if a bucket is empty before applying geofencing config.
Change-Id: I8bac21555e01d51a663fb557bc1acfc8106bc2e1