As a user, when I'm logged in and I visit the account page, and I try to submit a transaction with a username that does not match any user in the database, then I should see an error telling me that the user was not found.
[ ] And a transaction is not created.
[ ] When I try and submit a transaction with an amount greater than my account balance, then I should see an error, telling me that I do not have enough money to complete that transaction.
[ ] A transaction is not created.
[ ] When I try and submit a transaction with an amount with no username or amount filled in, then I should see an error, telling me that I need to fill in the required fields.
[ ] A transaction is not created.
[ ] Unsuccessful transactions should not update the displayed account balance.
As a user, when I'm logged in and I visit the account page, and I try to submit a transaction with a username that does not match any user in the database, then I should see an error telling me that the user was not found.
[ ] And a transaction is not created.
[ ] When I try and submit a transaction with an amount greater than my account balance, then I should see an error, telling me that I do not have enough money to complete that transaction.
[ ] A transaction is not created.
[ ] When I try and submit a transaction with an amount with no username or amount filled in, then I should see an error, telling me that I need to fill in the required fields.
[ ] A transaction is not created.
[ ] Unsuccessful transactions should not update the displayed account balance.