Added test: alter table while owner has a record.
Needs review for 13-drop-table-while-waiting.t before writing 14-alter-table-while-waiting.t
Signed-off-by: Sho Nakatani <lay.sakura@gmail.com>
Added test: delete while owner has a record.
Needs review for 13-drop-table-while-waiting.t before writing 15-delete-while-waiting.t
Signed-off-by: Sho Nakatani <lay.sakura@gmail.com>