[db]: Added db_helpers test
[db]: Added db_helpers test

porduna/appcomposer,go-lab/appcomposer,morelab/appcomposer,morelab/appcomposer,porduna/appcomposer,porduna/appcomposer,go-lab/appcomposer,go-lab/appcomposer,morelab/appcomposer,go-lab/appcomposer,porduna/appcomposer,morelab/appcomposer