### Question:
MultiTransaction implements RDFBeanTransaction { @Override public void setRollbackOnly() { this.rollbackOnly = true; for (RDFBeanTransaction tx : transactions) { tx.setRollbackOnly(); } } 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 SetRollbackOnly() { tx.setRollbackOnly(); }