private void SetSaveDataWithMockEntryOfAvailableTime(string i_id, long i_time)
        {
            ITimedChestSaveDataEntry mockEntry = Substitute.For <ITimedChestSaveDataEntry>();

            mockEntry.GetNextAvailableTime().Returns(i_time);
            systemUnderTest.SaveData = new Dictionary <string, ITimedChestSaveDataEntry>()
            {
                { i_id, mockEntry }
            };
        }