def test_add_multiple_items(self):
        _inventory = {'rope': 1, 'torch': 6}
        loot = ['torch', 'torch', 'torch']
        add_to_inventory(_inventory, loot)

        self.assertDictEqual(_inventory, {'rope': 1, 'torch': 9})
    def test_add_single_item(self):
        _inventory = {'rope': 1, 'torch': 6}
        loot = ['torch']
        add_to_inventory(_inventory, loot)

        self.assertDictEqual(_inventory, {'rope': 1, 'torch': 7})