### Question:
MultiTransaction implements RDFBeanTransaction { @Override public void rollback() { try { for (RDFBeanTransaction tx : transactions) { tx.rollback(); } } finally { connection.cleanUpAfterCommit(); } } MultiTransaction(MultiConnection connection, RDFBeanTransaction[] transactions); @Override void commit(); @Override boolean isActive(); @Override boolean isRollbackOnly(); @Override void rollback(); @Override void setRollbackOnly(); @Override void prepare();  }### Answer:
@Test public void Rollback() { tx.rollback(); }