reorder non-default parameters in TransactionThread::ExecuteNext

Author: lmwnshn

test/include/concurrency/testing_transaction_util.h

@@ -242,8 +242,8 @@ class TransactionThread {
     if (cur_seq == 0) {
       if (schedule->declared_ro == true) {
         /** starts a read only transaction*/
-        txn = txn_manager->BeginTransaction(0, IsolationLevelType::SNAPSHOT,
-                                            true);
+        txn = txn_manager->BeginTransaction(true, 0,
+                                            IsolationLevelType::SNAPSHOT);
       } else {
         txn = txn_manager->BeginTransaction();
       }