### Question:
OvsdbAutoAttachUpdateCommand extends AbstractTransactionCommand { @Override public void execute(ReadWriteTransaction transaction) { if (updatedAutoAttachRows != null && !updatedAutoAttachRows.isEmpty()) { updateAutoAttach(transaction, updatedAutoAttachRows); } } OvsdbAutoAttachUpdateCommand(OvsdbConnectionInstance key,
            TableUpdates updates, DatabaseSchema dbSchema); @Override void execute(ReadWriteTransaction transaction);  }### Answer:
@Test public void testExecute() { ovsdbAutoAttachUpdateCommand.execute(transaction); verify(transaction).put(eq(LogicalDatastoreType.OPERATIONAL), eq(aaIid), any(Autoattach.class)); }