/usr/lib/mysql-testsuite/t/mysqldump-no-binlog.test is in mysql-testsuite-5.6 5.6.16-1~exp1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | # Embedded server doesn't support external clients
--source include/not_embedded.inc
--replace_regex /MASTER_LOG_POS=[0-9]+/XX/
--error 2
--exec $MYSQL_DUMP --compact --master-data=2 test 2>&1
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