public function testOldAccountInfoInitiallySet()
 {
     $bank_account = new BankAccount('15934903649620486', $this->pdo);
     $this->assertEquals(100, $bank_account->getBalance());
     $this->assertEquals('15934903649620486', $bank_account->getAccountNumber());
     $bank_account = new BankAccount('15936487230215067', $this->pdo);
     $this->assertEquals(1216, $bank_account->getBalance());
     $this->assertEquals('15936487230215067', $bank_account->getAccountNumber());
     $bank_account = new BankAccount('12348612357236185', $this->pdo);
     $this->assertEquals(89, $bank_account->getBalance());
     $this->assertEquals('12348612357236185', $bank_account->getAccountNumber());
 }