code: function _initStorage( options ) {
  	const dbInfo = {};
  	if ( options ) {
  		for ( const i in options ) {
  			dbInfo[ i ] = options[ i ];
  		}
  	}
  
  	dbInfo.db = {};
  	dummyStorage[ dbInfo.name ] = dbInfo.db;
  
  	this._dbInfo = dbInfo;
  	return Promise.resolve();
  }
docs: Config the localStorage backend, using options set in the config.