question: public void testPreconditions ( ) { StoreRetrieveData dataStorage = getDataStorage ( ) ; ArrayList < ToDoItem > items = null ; try { items = dataStorage . loadFromFile ( ) ; } catch ( Exception e ) { fail ( "Couldn't read from data storage: " + e . getMessage ( ) ) ; } assertEquals ( 0 , items . size ( ) ) ; }
target:  We should have an empty data storage at hand for the starters