rem: return getService().openDatabase(getTestDB()); 
add: return gDBConn ? gDBConn : getService().openDatabase(getTestDB()); 
context: function getOpenedDatabase(){  return getService().openDatabase(getTestDB());}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/d96db35e43f604d22bb93efa0e7f0f2e804383ff/head_storage.js/buggy/storage/test/unit/head_storage.js