MDEV-26929: fixed opt_trace test for --mysqld=--optimizer_trace=enabled=on

mysql-test/main/opt_trace.result

@@ -4,14 +4,14 @@ OPTIMIZER_TRACE	QUERY
 OPTIMIZER_TRACE	TRACE
 OPTIMIZER_TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE
 OPTIMIZER_TRACE	INSUFFICIENT_PRIVILEGES
-show variables like 'optimizer_trace';
-Variable_name	Value
-optimizer_trace	enabled=off
 set optimizer_trace="enabled=on";
 show variables like 'optimizer_trace';
 Variable_name	Value
 optimizer_trace	enabled=on
 set optimizer_trace="enabled=off";
+show variables like 'optimizer_trace';
+Variable_name	Value
+optimizer_trace	enabled=off
 create table t1 (a int, b int);
 insert into t1 values (1,2),(2,3);
 create table t2 (b int);

mysql-test/main/opt_trace.test

 --source include/not_embedded.inc
 --source include/have_sequence.inc
 SELECT table_name, column_name FROM information_schema.columns where table_name="OPTIMIZER_TRACE";
-show variables like 'optimizer_trace';
 set optimizer_trace="enabled=on";
 show variables like 'optimizer_trace';
 set optimizer_trace="enabled=off";
+show variables like 'optimizer_trace';
 create table t1 (a int, b int);
 insert into t1 values (1,2),(2,3);