public void Edit_Valid_AnticipatedPrice_Test()
        {
            var price = new Price
            {
                CurrentValue       = 20,
                Timestamp          = new DateTime(2019, 1, 1, 20, 0, 0),
                PriceHistoryFuture = new List <PriceHistory>(),
                PriceHistoryPast   = new List <PriceHistory>()
            };

            var newPrice  = 21;
            var timestamp = DateTime.Now.Add(TimeSpan.FromSeconds(1));

            Assert.True(price.AddAnticipatedPrice(newPrice, timestamp));
        }