There was a failure in that show slave status displayed a wrong message
when slave stopped at processing a row event inserting to a default-less
column.

The problem seem to have ceased after recent fixes in rbr code.
However, the test was not updated to carry testing of the case commented-out.

Uncommenting and editing the test.
Notice, Bug#23907 is most probably a duplicate of this one.


mysql-test/extra/rpl_tests/rpl_extraSlave_Col.test:
  uncommenting the test that previously failed.
mysql-test/suite/rpl/r/rpl_extraCol_innodb.result:
  results changed due to the correct expected error message of an added test
  is displayed.
mysql-test/suite/rpl/r/rpl_extraCol_myisam.result:
  results changed to reflect the test changes
mysql-test/suite/rpl_ndb/r/rpl_ndb_extraCol.result:
  results changed to reflect the uncommented test
sql/log_event.cc:
  correcting of a merge with bug#12713 to use the correct object holding
  the error code.