a2-10.swift

func initStubs() {
        
    func insertTodoItem( name: String, finished: Bool ) -> ToDoItem? {
        let obj = NSEntityDescription.insertNewObject(forEntityName: "ToDoItem", into: mockPersistantContainer.viewContext)

        obj.setValue(name, forKey: "name")
        obj.setValue(finished, forKey: "finished")

        return obj as? ToDoItem
    }

    insertTodoItem(name: "1", finished: false)
    insertTodoItem(name: "2", finished: false)
    insertTodoItem(name: "3", finished: false)
    insertTodoItem(name: "4", finished: false)
    insertTodoItem(name: "5", finished: false)

    do {
        try mockPersistantContainer.viewContext.save()
    }  catch {
        print("create fakes error \(error)")
    }
        
}