/usr/lib/mysql-testsuite/r/events_embedded.result is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | set global event_scheduler=ON;
ERROR HY000: Unknown system variable 'event_scheduler'
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