The test occasionally fails with different table reference count
due to purge activity after INSERT operations (MDEV-12288).
Wait for purge before accessing dict_table_t::n_ref_count.
can now view the content of InnoDB System Tables through following
information schema tables:
information_schema.INNODB_SYS_TABLES
information_schema.INNODB_SYS_INDEXES
information_schema.INNODB_SYS_COUMNS
information_schema.INNODB_SYS_FIELDS
information_schema.INNODB_SYS_FOREIGN
information_schema.INNODB_SYS_FOREIGN_COLS
information_schema.INNODB_SYS_TABLESTATS
rb://330 Approved by Marko