def test_delete_then_list(self):
        ada = TravelArrangementDataAccess("test.ini")
        ada.load()
        ada.delete_by_id("id1")

        allCmt = ada.list_all()
        self.assertEqual(len(allCmt), 2)
        
        a = allCmt[0]
        self.assertEqual(a.get_id(), "id2")
        self.assertEqual(a.get_name(), "name 2")
        self.assertEqual(a.get_description(), "desc 2")


        a = allCmt[1]
        self.assertEqual(a.get_id(), "id3")
        self.assertEqual(a.get_name(), "name 3")
        self.assertEqual(a.get_description(), "desc 3")
    def test_delete_then_save(self):
        ada = TravelArrangementDataAccess("test.ini")
        ada.load()
        ada.delete_by_id("id1")

        ada.save()

        with open("test.ini", "rt") as f:
            self.assertEqual(f.readline(), "[id2]\n")
            self.assertEqual(f.readline(), "name = name 2\n")
            self.assertEqual(f.readline(), "description = desc 2\n")


            self.assertEqual(f.readline(), "\n")

            self.assertEqual(f.readline(), "[id3]\n")
            self.assertEqual(f.readline(), "name = name 3\n")
            self.assertEqual(f.readline(), "description = desc 3\n")


            self.assertEqual(f.readline(), "\n")
            self.assertEqual(f.readline(), "")