public void TestAccountStateGetHashCode()
        {
            RepositoryBag repositoryBag      = new RepositoryBag();
            DateTime      timestamp          = DateTime.Now;
            AccountState  accountState1      = new AccountState(1, 2, 123.45, timestamp, false, repositoryBag);
            AccountState  accountState1_copy = new AccountState(1, 2, 123.45, timestamp, false, repositoryBag);
            AccountState  accountState3      = new AccountState(2, 4, 246.9, timestamp, true, repositoryBag);

            Assert.Equal(accountState1.GetHashCode(), accountState1_copy.GetHashCode());
            Assert.NotEqual(accountState1.GetHashCode(), accountState3.GetHashCode());
        }