DoubleTransaction submits a two transactions to the server and queries the trial balance, it expects both transactions to be in the trial balance and no errors as a response.

DoubleTransactionIgnoreOne submits a two transactions to the server and queries the trial balance at a date in between the two so it expects only one transaction in the trial balance and no errors as a response.

SingleTransaction submits a single transaction to the server and expects no errors as a response.

TradingSimulator submits a random transactions to the server.

Account holds the name and balance.