Make sure tests drops objects created and restore variables to default

mysql-test/extra/rpl_tests/rpl_row_func003.test:
  Fix spelling error
mysql-test/extra/rpl_tests/rpl_row_tabledefs.test:
  Restore sql_mode after test
mysql-test/r/events_logs_tests.result:
  Turn even_scheduleroff before test ends
mysql-test/r/events_scheduling.result:
  Turn even_scheduleroff before test ends
mysql-test/r/insert.result:
  Drop tables t1 before test ends
mysql-test/r/rpl_read_only.result:
  Set read_only flag back to default
mysql-test/r/rpl_row_NOW.result:
  Drop database mysqltest1 before test ends
mysql-test/r/rpl_row_USER.result:
  Drop users created by test
mysql-test/r/rpl_row_basic_11bugs.result:
  Drop table and set query_cache_size back to default
mysql-test/r/rpl_row_func002.result:
  Drop table created by test
mysql-test/r/rpl_row_sp008.result:
  Drop table created by test
mysql-test/r/rpl_row_sp012.result:
  Drop user created by test
mysql-test/r/rpl_row_tabledefs_2myisam.result:
  Restore sql_mode
mysql-test/r/rpl_row_tabledefs_3innodb.result:
  Restore sql_mode
mysql-test/r/rpl_row_tabledefs_7ndb.result:
  Restore sql_mode
mysql-test/r/rpl_row_view01.result:
  Drop database created by test
mysql-test/r/rpl_slave_status.result:
  Remove created users
mysql-test/r/rpl_switch_stm_row_mixed.result:
  Reset binlog_format to default
mysql-test/r/sp.result:
  Drop procedure created by test
mysql-test/r/varbinary.result:
  Drop table created by test
mysql-test/r/variables.result:
  Reset changed variables to their defaults
mysql-test/t/events_logs_tests.test:
  Turn off event_scheduler before test ends
mysql-test/t/events_scheduling.test:
  Turn off event_scheduler
mysql-test/t/insert.test:
  Drop table created by test
mysql-test/t/rpl_read_only.test:
  Reset read_only flag
mysql-test/t/rpl_row_NOW.test:
  Drop db created by test
mysql-test/t/rpl_row_USER.test:
  Drop users created
mysql-test/t/rpl_row_basic_11bugs.test:
  Drop tables created by test
mysql-test/t/rpl_row_func002.test:
  Drop table created by test
mysql-test/t/rpl_row_sp008.test:
  Drop table created by test
mysql-test/t/rpl_row_sp012.test:
  Drop user created by test
mysql-test/t/rpl_row_view01.test:
  Drop db created by test
mysql-test/t/rpl_slave_status.test:
  Remove users created by test
mysql-test/t/rpl_switch_stm_row_mixed.test:
  Reset binlog_format
mysql-test/t/sp.test:
  Drop procedure created by test
mysql-test/t/varbinary.test:
  Drop tables created by test
mysql-test/t/variables.test:
  Restore variables to their default before test ends

mysql-test/r/insert.result

@@ -383,3 +383,4 @@ id	data
 7	130
 8	140
 9	150
+drop table t1;