fix MDEV-7225. see https://jira.mariadb.org/browse/MDEV-72225 for details.

sql-bench/server-cfg.sh

@@ -204,6 +204,11 @@ sub new
     $limits{'max_temporary_tables'}= $limits{"max_tables"};
     $self->{'transactions'}	= 1;	# Transactions enabled
   }
+    if (defined($main::opt_create_options) &&
+      $main::opt_create_options =~ /engine=tokudb/i)
+  {
+    $self->{'transactions'}	= 1;	# Transactions enabled
+  }
 
   return $self;
 }