MDEV-32050 fixup: Stabilize tests

In any test that uses wait_all_purged.inc, ensure that InnoDB tables
will be created without persistent statistics.

This is a follow-up to commit cd04673a17
after a similar failure was observed in the innodb_zip.blob test.

mysql-test/suite/innodb_gis/t/rtree_purge.test

@@ -8,7 +8,7 @@
 
 create table t (
   b point not null,d point not null, spatial key (d),spatial key (b)
-) engine=innodb;
+) engine=innodb stats_persistent=0;
 
 --disable_query_log
 set @p=point(1,1);