Update mysql-test innodb_bug42101 to match the latest behavior

(different error number).

mysql-test/r/innodb_bug42101.result

@@ -3,12 +3,12 @@ select @@innodb_commit_concurrency;
 @@innodb_commit_concurrency
 0
 set global innodb_commit_concurrency=1;
-ERROR HY000: Incorrect arguments to SET
+ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '1'
 select @@innodb_commit_concurrency;
 @@innodb_commit_concurrency
 0
 set global innodb_commit_concurrency=42;
-ERROR HY000: Incorrect arguments to SET
+ERROR 42000: Variable 'innodb_commit_concurrency' can't be set to the value of '42'
 select @@innodb_commit_concurrency;
 @@innodb_commit_concurrency
 0

mysql-test/t/innodb_bug42101.test

@@ -7,10 +7,10 @@
 
 set global innodb_commit_concurrency=0;
 select @@innodb_commit_concurrency;
---error ER_WRONG_ARGUMENTS
+--error ER_WRONG_VALUE_FOR_VAR
 set global innodb_commit_concurrency=1;
 select @@innodb_commit_concurrency;
---error ER_WRONG_ARGUMENTS
+--error ER_WRONG_VALUE_FOR_VAR
 set global innodb_commit_concurrency=42;
 select @@innodb_commit_concurrency;
 set global innodb_commit_concurrency=0;