MDEV-13542 fixup: Allow purge to run in a test

mysql-test/suite/innodb/t/leaf_page_corrupted_during_recovery.test

@@ -49,8 +49,8 @@ EOF
 --error ER_UNKNOWN_STORAGE_ENGINE
 SELECT * FROM t1 WHERE PK = 1;
 
-# We will disable also purge, to not let it request the corrupted page.
-let $restart_parameters=--innodb-force-recovery=2;
+# Force recovery to ignore the corrupted page.
+let $restart_parameters=--innodb-force-recovery=1;
 --source include/restart_mysqld.inc
 SELECT * FROM t1 WHERE PK = 1;
 --error ER_NOT_KEYFILE
@@ -58,5 +58,3 @@ SELECT * FROM t1 WHERE pk = 12;
 CHECK TABLE t1;
 
 DROP TABLE t1;
-let $restart_parameters=;
---source include/restart_mysqld.inc