Bug#18949527 SUITE/BINLOG/T/BINLOG_KILLED.TEST FORGETS TO               DISCONNECT CON1 AND CON2    Problem: The test suite/binlog/t/binlog_killed.test makes the connections con1 and con2 but forgets to disconnect them + wait till that operation is finished at test end. This mistake has the potential to harm subsequent tests in case these tests depend on the content of the processlist.   Solution: Added disconnect + wait_until_disconnected.inc  within the test cleanup.
Bug#18949527 SUITE/BINLOG/T/BINLOG_KILLED.TEST FORGETS TO 
             DISCONNECT CON1 AND CON2
  
Problem:
The test suite/binlog/t/binlog_killed.test makes the connections
con1 and con2 but forgets to disconnect them + wait till that
operation is finished at test end.
This mistake has the potential to harm subsequent tests in
case these tests depend on the content of the processlist.
 
Solution:
Added disconnect + wait_until_disconnected.inc 
within the test cleanup.
davidl-zend/zenddbi,ollie314/server,ollie314/server,davidl-zend/zenddbi,ollie314/server,davidl-zend/zenddbi,ollie314/server,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,flynn1973/mariadb-aix,ollie314/server,natsys/mariadb_10.2,flynn1973/mariadb-aix,natsys/mariadb_10.2,ollie314/server,davidl-zend/zenddbi,flynn1973/mariadb-aix,natsys/mariadb_10.2,flynn1973/mariadb-aix,flynn1973/mariadb-aix,ollie314/server,natsys/mariadb_10.2,davidl-zend/zenddbi,davidl-zend/zenddbi,davidl-zend/zenddbi,flynn1973/mariadb-aix,davidl-zend/zenddbi,flynn1973/mariadb-aix,davidl-zend/zenddbi,slanterns/server,natsys/mariadb_10.2,flynn1973/mariadb-aix,ollie314/server,flynn1973/mariadb-aix,davidl-zend/zenddbi,natsys/mariadb_10.2,natsys/mariadb_10.2,ollie314/server,davidl-zend/zenddbi,ollie314/server,flynn1973/mariadb-aix,flynn1973/mariadb-aix,ollie314/server,natsys/mariadb_10.2