MDEV-8144 percona.innodb_sys_index test fails

Restoring the line affected by 5.5=>10.0 merge

mysql-test/suite/percona/innodb_sys_index.result

 drop table if exists t1;
 Warnings:
-Note	1051	Unknown table 't1'
+Note	1051	Unknown table 'test.t1'
 SELECT COUNT(*) FROM `information_schema`.`INNODB_SYS_INDEXES` ;
 CREATE TABLE test.t1 (  `a` SERIAL NOT NULL ,  `b` VARCHAR( 255 ) NOT NULL ,  INDEX ( `b` )  ) ENGINE = InnoDB ;
 SHOW TABLE STATUS FROM `information_schema` LIKE 'INNODB\_SYS\_INDEXES%' ;