return getService().openDatabase(getTestDB()); 
return gDBConn ? gDBConn : getService().openDatabase(getTestDB()); 
function getOpenedDatabase(){  return getService().openDatabase(getTestDB());}
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/d96db35e43f604d22bb93efa0e7f0f2e804383ff/head_storage.js/buggy/storage/test/unit/head_storage.js