so cause timeouts. Probably normal as ALTER TABLE does many syncs in Maria, but have to mark them "big"
for pushbuild2.

mysql-test/suite/parts/t/partition_alter2_1_maria.test:
  test takes 15 minutes with Maria (ALTER TABLE does many syncs in Maria)
mysql-test/suite/parts/t/partition_alter2_2_maria.test:
  test takes 15 minutes with Maria (ALTER TABLE does many syncs in Maria)