drop table if exists t1,t2;
create table t1 (a int) engine=myisam;
drop table if exists t1;
Warnings:
Error	2	Can't find file: 't1' (errno: 2)
create table t1 (a int) engine=myisam;
drop table t1;
Got one of the listed errors
create table t1 (a int) engine=myisam;
drop table t1;
Got one of the listed errors
drop table t1;
ERROR 42S02: Unknown table 't1'