public void Transaction_Amount_Must_Be_Larger_Than_0() { var fromAccount = _bank.Accounts.FirstOrDefault(a => a.Id == 13003); var toAccount = _bank.Accounts.FirstOrDefault(a => a.Id == 13004); try { _bank.CreateTransaction(fromAccount, toAccount, -200); _bank.CreateTransaction(fromAccount, toAccount, 0); Assert.True(true); } catch { Assert.True(false); } }