Solution according to the comments made by Guilhem
- rpl_relayrotate  Remove the SHOW SLAVE STATUS  It is not needed.
- rpl_until, rpl_deadlock Omit the printing of the "Slave_IO_Running" value


mysql-test/r/rpl_deadlock.result:
  Updated result
mysql-test/r/rpl_relayrotate.result:
  Updated result
mysql-test/r/rpl_until.result:
  Updated result
mysql-test/t/disabled.def:
  Enabling of the testcases rpl_relayrotate, rpl_until, rpl_deadlock
mysql-test/t/rpl_deadlock.test:
  Omit the printing of the "Slave_IO_Running" value
mysql-test/t/rpl_relayrotate.test:
  Remove the SHWO STATUS SLAVE command
mysql-test/t/rpl_until.test:
  Omit the printing of the "Slave_IO_Running" value