### Question:
VirtuosoTransaction implements RDFBeanTransaction { @Override public boolean isActive() { try { return !conn.isClosed(); } catch (SQLException e) { throw new RepositoryException(e); } } VirtuosoTransaction(Connection connection, boolean readOnly, int txTimeout, int isolationLevel); @Override void commit(); @Override boolean isActive(); @Override boolean isRollbackOnly(); @Override void prepare(); @Override void rollback(); @Override void setRollbackOnly();  }### Answer:
@Test public void IsActive() { assertTrue(tx.isActive()); }