public function testAlterAccount()
{
// There is no special alter method, add is used
$p = new ChartOfAccounts();
$a = new Account('1920', 'T', 'Bank');
$p->addAccount($a);
$this->assertEquals($a, $p->getAccount('1920'));
$a = new Account('1920', 'T', 'Altered');
$p->addAccount($a);
$this->assertEquals($a, $p->getAccount('1920'));
}
