@Test
public void testNoOperations() throws FormatException, IOException {

    // GBPMKIRA2OQW2XZZQUCQILI5TMVZ6JNRKM423BSAISDM7ZFWQ6KWEBC4
    KeyPair source = KeyPair.fromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
    Account account = new Account(source, 2908908335136768L);
    try {
        Transaction transaction = new Transaction.Builder(account).build();
        fail();
    } catch (RuntimeException exception) {
        assertTrue(exception.getMessage().contains("At least one operation required"));
        assertEquals(new Long(2908908335136768L), account.getSequenceNumber());
    }
}